What are the best hotels near Dolphin Research Center?

Grassy Flats Resort & Beach Club, Gulf View Waterfront Resort, and Rainbow Bend Resort are some of the most popular hotels for travellers looking to stay near Dolphin Research Center. See the full list: Hotels near Dolphin Research Center .

Which hotels are closest to Key West Intl Airport?

Popular hotels close to Key West Intl Airport include Hyatt Vacation Club at Windward Pointe, Hampton Inn Key West, and Doubletree Resort By Hilton Hotel Grand Key - Key West. See the full list: Hotels near Key West Intl Airport .

United States

Grassy Key Hotels

THE BEST Grassy Key Accommodation

Grassy Key Accommodation

and Places to Stay

Enter dates to find the best prices

Popular hotels in Grassy Key right now

No other properties are available in Grassy Key. View nearby results below.

Sort by:

Best Value
Properties ranked using exclusive Tripadvisor data, including traveller ratings, confirmed availability from our partners, prices, booking popularity and location, as well as personal user preferences and recently viewed hotels.
Traveller Ranked
Highest rated hotels on Tripadvisor, based on traveller reviews.
Distance to city centre
See properties located closest to the centre first with confirmed availability for your dates from our partners

Payments made by partners impact the order of prices displayed. Room types may vary, learn more.

Coconut Cay RV Resort & Marina
Enter dates to see prices
Camping/Caravan site
Reviewed on 17 Mar 2024
Winter trip
"We were there for the month of January 2023. We had an amazing time, the staff were very helpful answering all our questions. We also had Amazon packages delivered to the office. We have booked another trip January..."
Read all reviews
0.26 km from Grassy Key centre
#31 Best Value of 49 places to stay in Marathon
"Beautiful back deck area for eating meals. Plenty of dishes, pots and pans, even sharp knives for cutting fruit and such for our breakfast."
Seaward Resort Motel
Enter dates to see prices
Motel
Reviewed on 18 June 2018
Wreckage
"The bull dozers win. Nothing is left, except the painted over sign. If you look very closely you can see the name through the paint. So much for the history of the city. I am assuming there is a hotel chain in the..."
Read all reviews
1.1 km from Grassy Key centre
#45 Best Value of 49 places to stay in Marathon
"The bull dozers win. Nothing is left, except the painted over sign. If you look very closely you can see the name through the paint. So much for the history of the city. I am assuming there is a hotel chain in the..."
Anchor Lite Marathon
Enter dates to see prices
Small Hotel
0 reviews
1.2 km from Grassy Key centre
Indigo Reef Resort by KeysCaribbean
Enter dates to see prices
Apartment
Reviewed on 15 Jan 2022
Another day in paradise
"67 units, individually owned and rented by different management companies. All units are nearly identical- 3 bed, 2 1/2 bath. We’ve stayed in several different units over the past decade and each had it’s pluses and..."
Read all reviews
1.4 km from Grassy Key centre
#21 Best Value of 49 places to stay in Marathon
"67 units, individually owned and rented by different management companies. All units are nearly identical- 3 bed, 2 1/2 bath. We’ve stayed in several different units over the past decade and each had it’s pluses and..."
Visit hotel website

Royal Hawaiian Motel / Botel
Enter dates to see prices
Small Hotel
Reviewed on 6 Apr 2019
10x better than a chain hotel!!!!!
"Spent 1 night at the Royal Hawaiian on our way down to Key West. We were greeted by the couple who run the place, very friendly and offered a great suggestion for dinner, Sparky's Landing Fish and Cocktails (see my..."
Read all reviews
1.7 km from Grassy Key centre
#13 Best Value of 49 places to stay in Marathon
"Spent 1 night at the Royal Hawaiian on our way down to Key West. We were greeted by the couple who run the place, very friendly and offered a great suggestion for dinner, Sparky's Landing Fish and Cocktails (see my..."
Coral Lagoon Resort Villas & Marina by KeysCaribbean
Enter dates to see prices
Ranch
Reviewed on 17 Feb 2022
Nice place, experienced some problems
"This review is for Villa 5, as there are various rental villas on property. This villa is in a great location, midway between Key Largo & Key West, with many services and opportunities there in Marathon. It has up..."
Read all reviews
1.8 km from Grassy Key centre
#29 Best Value of 49 places to stay in Marathon
"This review is for Villa 5, as there are various rental villas on property. This villa is in a great location, midway between Key Largo & Key West, with many services and opportunities there in Marathon. It has up..."

Seascape Resort and Marina
Enter dates to see prices
Small Hotel
Reviewed on 9 June 2023
Wonderful spot to get away from it all
"Our room was spacious and updated, and had a separate area with a table and chairs."
Read all reviews
1.9 km from Grassy Key centre
#3 Best Value of 49 places to stay in Marathon
Tranquil oceanfront resort with private beach, pool, and boat ramp. Offers free kayaks, paddle boards and bikes. Room 4 features private patio with BBQ grill and fire pit.
This hotel description was created by AI, using information and phrases commonly found in reviews users submitted to Tripadvisor. Tripadvisor did not create and is not responsible for this description. Please read full traveller reviews for more details and information. If you believe something in this AI-generated description is inaccurate, please share your feedback.
Visit hotel website
This is one of the most booked hotels in Marathon Shores over the last 60 days.
Siesta Motel
Enter dates to see prices
Small Hotel
Reviewed on 16 Apr 2024
Paid in full and they canceled reservations
"Should be 1 but they did let me change my date because of surgery I was having. When we went to check in the office was closed I was told it closed at 4 sign said 2. I called they had canceled my room for non..."
Read all reviews
2.0 km from Grassy Key centre
#1 Best Value of 1 place to stay in Marathon Shores
"Amenities dated except refrigerator was nice, shower head was horrible as a mist or more u could get out of it, luckily on spent minimal time in room. Owners please put some Luv into your small motel."
Aqua Lodges At Coconut Cay Rv And Marina
Enter dates to see prices
Small Hotel
Reviewed on 12 Mar 2024
Stay on a Floater
"Though I had prepaid, there was a substantial cleaning charge added at check-in. It seemed excessive. The houseboats are pretty small. We moved a couch to see the TV, and there was food under it from previous..."
Read all reviews
2.1 km from Grassy Key centre
#42 Best Value of 49 places to stay in Marathon
"We could hear the people at the pool, and the drunker they got, the more the language deteriorated. However, I liked being able to make breakfast and eat it on the deck by the water."
Bonefish Bay Motel & RV's
Enter dates to see prices
Small Hotel
Reviewed on 6 Mar 2024
Great location
"Room was clean and loved sitting outside my door and drinking my coffee( has a Keurig) ."
Read all reviews
2.2 km from Grassy Key centre
#32 Best Value of 49 places to stay in Marathon
Spacious, clean rooms with kitchenettes and comfortable beds. Offers well-equipped cabins, free kayaks, bicycles, dock access, and RV parking. Small pool and grilling area available. Convenient location.
This hotel description was created by AI, using information and phrases commonly found in reviews users submitted to Tripadvisor. Tripadvisor did not create and is not responsible for this description. Please read full traveller reviews for more details and information. If you believe something in this AI-generated description is inaccurate, please share your feedback.

Coconut Cay Resort & Marina
Enter dates to see prices
Small Hotel
Reviewed on 29 May 2022
Great value, Clean & Comfortable. Mid range non chain hotel. We will be back
"Nice staff, clean, comfortable room, continental breakfast was just fine."
Read all reviews
2.2 km from Grassy Key centre
#23 Best Value of 49 places to stay in Marathon
Quaint marina resort offering water sports, clean rooms, and grab-and-go breakfast. Convenient for boaters with free kayaking and boat docks. Enjoy manatee sightings and nearby dining.
This hotel description was created by AI, using information and phrases commonly found in reviews users submitted to Tripadvisor. Tripadvisor did not create and is not responsible for this description. Please read full traveller reviews for more details and information. If you believe something in this AI-generated description is inaccurate, please share your feedback.
Continental Inn
Enter dates to see prices
Small Hotel
Reviewed on 19 Aug 2023
Apartment 41 - Continental Inn - Family Road Trip.
"We had a beautiful, clean 2 bedroom apartment with 2 large beds in each bedroom; the right size when travelling with teenagers!"
Read all reviews
2.3 km from Grassy Key centre
#2 Best Value of 4 places to stay in Key Colony Beach
Beachfront property with beautifully decorated units, full kitchen, and easy ocean access. Offers serene views, refreshing pool, and proximity to attractions.
This hotel description was created by AI, using information and phrases commonly found in reviews users submitted to Tripadvisor. Tripadvisor did not create and is not responsible for this description. Please read full traveller reviews for more details and information. If you believe something in this AI-generated description is inaccurate, please share your feedback.
Sea Isle Condos
Enter dates to see prices
Apartment
Reviewed on 13 July 2024
Sea isle condo number 12
"We rented condo 11 absolutely beautiful condo loved the 3rd floor . The breeze was wonderful.. the ONLY negative is I sent a $500 dollar deposit. I received back only $400 of the $500. The owner said I used to many..."
Read all reviews
2.3 km from Grassy Key centre
#4 Best Value of 4 places to stay in Key Colony Beach
"The condo was perfect…clean, spacious and so comfortable. The ocean view was spectacular from the balcony. The heated pool and close proximity to restaurants and shopping was so nice."
Kingsail Resort
Enter dates to see prices
Motel
Reviewed on 13 Aug 2022
Absolutely fantastic
"Me and my wife absolutely loved our stay in kingsail resort our room was clean beds were comfortable the ac worked great and the staff was absolutely wonderful I enjoyed the lagoon on site and was so excited to se..."
Read all reviews
2.3 km from Grassy Key centre
#33 Best Value of 49 places to stay in Marathon
Charming, family-owned hotel with outdoor amenities and scenic views. Features large, soundproof rooms and a convenient location near dining. Offers boat ramp, free kayaking, and wildlife viewing.
This hotel description was created by AI, using information and phrases commonly found in reviews users submitted to Tripadvisor. Tripadvisor did not create and is not responsible for this description. Please read full traveller reviews for more details and information. If you believe something in this AI-generated description is inaccurate, please share your feedback.
Visit hotel website
Breakfast included
Fairfield Inn & Suites by Marriott Marathon Florida Keys
Enter dates to see prices
Reviewed on 4 May 2023
A definite stay for more than one day
"Large room, sofa area with tv, nice for a rainy day, table for 2 shower with all 3 essentials closet space a safe to lock valuables nice comfy king bed another tv and 5 pillows!! Yes love pillows."
Read all reviews
2.4 km from Grassy Key centre
#8 Best Value of 49 places to stay in Marathon
Well-located hotel with a marina and two restaurants. Offers water views, quiet atmosphere, and family-friendly amenities. Noted for clean rooms and friendly staff.
This hotel description was created by AI, using information and phrases commonly found in reviews users submitted to Tripadvisor. Tripadvisor did not create and is not responsible for this description. Please read full traveller reviews for more details and information. If you believe something in this AI-generated description is inaccurate, please share your feedback.
Visit hotel website

The Reef at Marathon
Enter dates to see prices
Apartment
Reviewed on 17 Oct 2024
Wonderful property! Unit was extremely clean, staff was so friendly and accommodating, great location, heated pool
"very accommodating staff, great location, peaceful property, heated pool, on the water, unit filled with all necessities."
Read all reviews
2.6 km from Grassy Key centre
#18 Best Value of 49 places to stay in Marathon
"We can bring our boat and keep it right there on site. The little "mushrooms" are cute but adequate for up to 6 people and you don't have anyone staying above you, or below you, or beside you!"
Breakfast included
Hampton Inn Marathon - Florida Keys
Enter dates to see prices
Reviewed on 7 Nov 2023
Great spot to stay, very solid choice
"Clean comfortable room and bed, hot shower with good water pressure, I enjoyed the full counter around the sink and kitchen counter area being separate with a sink, cabinets, microwave and fridge."
Read all reviews
2.7 km from Grassy Key centre
#16 Best Value of 49 places to stay in Marathon
Scenic waterfront hotel offering a relaxing pool area with tiki bar, ping pong, and volleyball. Features a popular seafood restaurant nearby and a complimentary breakfast with variety. Modern and clean.
This hotel description was created by AI, using information and phrases commonly found in reviews users submitted to Tripadvisor. Tripadvisor did not create and is not responsible for this description. Please read full traveller reviews for more details and information. If you believe something in this AI-generated description is inaccurate, please share your feedback.
Visit hotel website
Key Colony Beach Motel
Enter dates to see prices
Small Hotel
Reviewed on 14 Apr 2024
A gem, will return as often as I can.
"The room was immaculately clean, the beds comfy and the linens spotless."
Read all reviews
2.8 km from Grassy Key centre
#3 Best Value of 4 places to stay in Key Colony Beach
"Pool was perfect and a great view of the ocean. The beach area had many tables and beach loungers as well. For an affordable trip and family friendly as well you can't beat this non chain motel!"
This is one of the highest rated properties in Key Colony Beach
This is one of the most booked hotels in Key Colony Beach over the last 60 days.
Glunz Ocean Beach Hotel & Resort
Enter dates to see prices
Reviewed on 11 May 2022
Mother’s Day vacation
"Perfect everything we miss the bridge the room super clean and the bed comfortable."
Read all reviews
2.9 km from Grassy Key centre
#1 Best Value of 4 places to stay in Key Colony Beach
Vintage styled hotel with relaxing beach and pool, offering paddle boarding and bikes. Near restaurants and attractions. Pet-friendly, quiet stay with scenic views.
This hotel description was created by AI, using information and phrases commonly found in reviews users submitted to Tripadvisor. Tripadvisor did not create and is not responsible for this description. Please read full traveller reviews for more details and information. If you believe something in this AI-generated description is inaccurate, please share your feedback.
Sea Cove Motel and Marina
Enter dates to see prices
Lodge
Reviewed on 22 Apr 2024
EVERYTHING IS WORKING PERFECTLY
"I chose the Resort as it was cheap and I was in town for meetings. The bed was comfortable and the hot water was hot. There was a small refridgerator and a TV. No coffee maker!!! And the gas station next door did..."
Read all reviews
2.9 km from Grassy Key centre
#48 Best Value of 49 places to stay in Marathon
"While the rooms are quite small and just enough for resting, it is quite near to nice restaurants and viewing areas. There is no wifi in the rooms and no other amenities within this place."

Caribbean Cottages in Paradise
Enter dates to see prices
Guesthouse
0 reviews
3.0 km from Grassy Key centre
Tropical Cottages
Enter dates to see prices
Motel
Reviewed on 8 Nov 2024
The Bed in the Starfish room needs to be removed!
"Do NOT stay in the Starfish room! Not only is the room basically a closet and only a small child can use the “shower,” the bed is THE worst excuse for a bed I have ever had. Pillows are all dreadful and old but I..."
Read all reviews
3.0 km from Grassy Key centre
#38 Best Value of 49 places to stay in Marathon
Unique character-filled cottages with tiki bar and taco truck on-site. Near hidden gem, Sombrero Beach. Cozy rooms with nice views. Outdoor gas grill available.
This hotel description was created by AI, using information and phrases commonly found in reviews users submitted to Tripadvisor. Tripadvisor did not create and is not responsible for this description. Please read full traveller reviews for more details and information. If you believe something in this AI-generated description is inaccurate, please share your feedback.
Keys RV Park
Enter dates to see prices
Camping/Caravan site
Reviewed on 27 Mar 2023
Just went to check out the facility for future adventures.
"Very expensive !!!! my wife and I are looking to be full time RV'rs next year after we retire and are thinking of staying in Florida part of the time. The Florida state is by far the most expensive state I have ever..."
Read all reviews
3.2 km from Grassy Key centre
#44 Best Value of 49 places to stay in Marathon
"The Florida state is by far the most expensive state I have ever looked at. Unfortunately, we will have to look at South Carlonia or Texas."
Cocoplum Beach & Tennis Club & Marina
Enter dates to see prices
Villa
Reviewed on 6 Jan 2024
Fantastic Experience at Cocoplum!
"This small, very family-friendly resort suited us perfectly. We did multiple day trips (location is fantastic!) and then enjoyed the afternoon/sunset at the jacuzzi, pool, beach every day. And we loved the ease of..."
Read all reviews
3.4 km from Grassy Key centre
#14 Best Value of 49 places to stay in Marathon
Beachfront resort with spacious, clean villas featuring full kitchens, washer-dryer, and large screened-in porches. Offers tennis courts, pool, and proximity to state park and dining options.
This hotel description was created by AI, using information and phrases commonly found in reviews users submitted to Tripadvisor. Tripadvisor did not create and is not responsible for this description. Please read full traveller reviews for more details and information. If you believe something in this AI-generated description is inaccurate, please share your feedback.
Visit hotel website
Royal Plum Club
Enter dates to see prices
Apartment
Reviewed on 25 Sept 2022
Very nice condo complex
"Very clean and well appointed with everything we needed. A little updating would go a long way but was a great condo...Mary was wonderfully attentive and even the condo employees made sure we were good. Mary left..."
Read all reviews
3.7 km from Grassy Key centre
#27 Best Value of 49 places to stay in Marathon
"Very clean and well appointed with everything we needed. A little updating would go a long way but was a great condo...Mary was wonderfully attentive and even the condo employees made sure we were good. Mary left..."
Yacht Haven Marina
Enter dates to see prices
Limited Service Property
Reviewed on 7 May 2024
I'd give it more stars if I could! So Wonderful!!
"We had the most wonderful time on this little boat. It was hard to leave. The view off the back deck was gorgeous and the little jelly fish that came by were mesmerizing. Jolene was wonderful and so accommodating..."
Read all reviews
3.7 km from Grassy Key centre
#37 Best Value of 49 places to stay in Marathon
"The beds are very comfortable and the space inside each of the boats (lodges) was maximized. They had plenty of towels, toiletries, and everything you need for several days."
Sea Dell Motel
Enter dates to see prices
Small Hotel
Reviewed on 1 June 2024
Great Place to Rest Your Head
"Our room was clean, the bed was comfortable, the pool was vey nice and BEST OF ALL, the front desk was very friendly and helpful."
Read all reviews
4.0 km from Grassy Key centre
#15 Best Value of 49 places to stay in Marathon
Budget-friendly motel with clean, cool rooms and amenities including a full-size fridge, microwave, and washer/dryer. Conveniently located near attractions, restaurants, and shops. Offers a quiet stay with an 'Old Florida' charm.
This hotel description was created by AI, using information and phrases commonly found in reviews users submitted to Tripadvisor. Tripadvisor did not create and is not responsible for this description. Please read full traveller reviews for more details and information. If you believe something in this AI-generated description is inaccurate, please share your feedback.
Skipjack Resort & Marina
Enter dates to see prices
Reviewed on 9 Sept 2022
Fun, relaxing, great staff, a very cost effective getaway
"The room was surprisingly spacious, well appointed with a fun “beachy vibe” and very clean."
Read all reviews
4.2 km from Grassy Key centre
#11 Best Value of 49 places to stay in Marathon
Centrally located in the Keys with nearby attractions, offering on-site marina and boat ramp. Features pool games, body sculpting classes, live music, and karaoke. Includes complimentary breakfast.
This hotel description was created by AI, using information and phrases commonly found in reviews users submitted to Tripadvisor. Tripadvisor did not create and is not responsible for this description. Please read full traveller reviews for more details and information. If you believe something in this AI-generated description is inaccurate, please share your feedback.
Blackfin Resort and Marina
Enter dates to see prices
Small Hotel
Reviewed on 13 Feb 2022
Feels like Home
"Clean room, friendly service, reasonable price (a rare thing in the Keys), wonderful beach area, area to bbq, great management and close to a lot of what you go to the keys for, They go out of their way to make th..."
Read all reviews
4.3 km from Grassy Key centre
#22 Best Value of 49 places to stay in Marathon
Quaint, cottage-style resort offering spacious rooms, efficient A/C, and a serene atmosphere. Located waterfront with a marina, sea life, and sunset views. Ideal pit stop en route to Key West.
This hotel description was created by AI, using information and phrases commonly found in reviews users submitted to Tripadvisor. Tripadvisor did not create and is not responsible for this description. Please read full traveller reviews for more details and information. If you believe something in this AI-generated description is inaccurate, please share your feedback.
Banana Bay Resort & Marina
Enter dates to see prices
Reviewed on 28 Dec 2023
Fab stay!
"Christopher was AWSOME and gave us a little room upgrade and was super helpful with anything we needed."
Read all reviews
4.4 km from Grassy Key centre
#19 Best Value of 49 places to stay in Marathon
Peaceful resort offering stunning sunset views, large clean pool, and beach bar. Convenient location for exploring the Keys. Features a marina with boat rental options.
This hotel description was created by AI, using information and phrases commonly found in reviews users submitted to Tripadvisor. Tripadvisor did not create and is not responsible for this description. Please read full traveller reviews for more details and information. If you believe something in this AI-generated description is inaccurate, please share your feedback.
Visit hotel website

Showing results 1-30 of 30

Not sure when to visit?

Price trends, weather and things to do can help you make a decision.

Season

Avg. price/night

Avg. temperature

Avg. precipitation

Dec - Feb

Avg. price/night

Avg. temperature

22ºC

COLDEST

10ºC34ºC

Avg. precipitation

45mm

DRIEST

25 mm172 mm

Mar - May

Avg. price/night

Avg. temperature

26ºC

10ºC34ºC

Avg. precipitation

67mm

25 mm172 mm

Jun - Aug

Avg. price/night

Avg. temperature

29ºC

WARMEST

10ºC34ºC

Avg. precipitation

115mm

25 mm172 mm

Sep - Nov

Avg. price/night

Avg. temperature

27ºC

10ºC34ºC

Avg. precipitation

124mm

WETTEST

25 mm172 mm

Price trend information excludes taxes and fees and is based on base rates for a nightly stay for 2 adults found in the last 7 days on our site and averaged for commonly viewed hotels in Grassy Key. Select dates and complete search for nightly totals inclusive of taxes and fees.

Frequently Asked Questions about Grassy Key hotels

: Grassy Flats Resort & Beach Club, Gulf View Waterfront Resort, and Rainbow Bend Resort are some of the most popular hotels for travellers looking to stay near Dolphin Research Center. See the full list: Hotels near Dolphin Research Center.
: Popular hotels close to Key West Intl Airport include Hyatt Vacation Club at Windward Pointe, Hampton Inn Key West, and Doubletree Resort By Hilton Hotel Grand Key - Key West. See the full list: Hotels near Key West Intl Airport.

The above hotel descriptions were created by AI, using information and phrases commonly found in reviews users submitted to Tripadvisor. Tripadvisor did not create and is not responsible for any of the above hotel descriptions. Please read full traveller reviews for more details and information. If you believe something in one of these AI-generated descriptions is inaccurate, please share your feedback.

Reviews are the subjective opinion of Tripadvisor members and not of Tripadvisor LLC. Tripadvisor performs checks on reviews as part of our industry-leading trust & safety standards. Read our transparency report to learn more.

THE BEST Grassy Key Accommodation

Grassy Key Accommodation

Popular

Distance from

Traveller rating

Popular hotels in Grassy Key right now

Coconut Cay RV Resort & Marina

Seaward Resort Motel

Anchor Lite Marathon

Indigo Reef Resort by KeysCaribbean

Royal Hawaiian Motel / Botel

Coral Lagoon Resort Villas & Marina by KeysCaribbean

Seascape Resort and Marina

Siesta Motel

Aqua Lodges At Coconut Cay Rv And Marina

Bonefish Bay Motel & RV's

Coconut Cay Resort & Marina

Continental Inn

Sea Isle Condos

Kingsail Resort

Fairfield Inn & Suites by Marriott Marathon Florida Keys

The Reef at Marathon

Hampton Inn Marathon - Florida Keys

Key Colony Beach Motel

Glunz Ocean Beach Hotel & Resort

Sea Cove Motel and Marina

Caribbean Cottages in Paradise

Tropical Cottages

Keys RV Park

Cocoplum Beach & Tennis Club & Marina

Royal Plum Club

Yacht Haven Marina

Sea Dell Motel

Skipjack Resort & Marina

Blackfin Resort and Marina

Banana Bay Resort & Marina