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Costello's Clam Shack

145 Pearl St, Groton, CT 06340-5773
+1 860-572-2779
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  • Excellent33%
  • Very good39%
  • Average16%
  • Poor5%
  • Terrible7%
Travellers talk about
“fried seafood” (13 reviews)
“fries” (36 reviews)
Open Now
11:30 am - 8:30 pm Hours
American, Seafood
$$ - $$$
145 Pearl St, Groton, CT 06340-5773
All Details
Write a ReviewReviews (169)
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1 - 10 of 169 reviews

Reviewed 5 days ago via mobile

If you go be prepared to wait awhile in line and longer for it arrive to your table. Bring snacks to munch on as you will wish you did if your super hungry. It’s a 2.7 out of 5

Thank gsn176
Reviewed 1 week ago

First you are allowed to bring in your own alcohol. Not soda or anything like that just alcohol. It is outdoors right next to a marina so you can enjoy the weather and watch boats come in. My sister bring a tablecloth, appetizers such as...More

Thank RedSox4ever1
Reviewed 2 weeks ago

Took my family to Costello's on a Sunday afternoon. I order the clam dinner. I hvae eaten clams all over New England and I have to say these were the worst I have had. They didn't even taste like clams, had black pieces in the...More

Thank jojobebe2
Reviewed 2 weeks ago via mobile

Went to Costello’s with family and friends last Saturday. We decided to try a few things as it wasn’t our first trip. Grilled fish tacos were wonderful with the mango salsa. Clams strips and lobster rolls as per usual were the best around. I also...More

Thank cleonard531988
Reviewed 3 weeks ago

New England Clam Chowder was very watery and didn't get any clams in it. The fried clam strips were not fried all the way...disappointed after hearing so much about this restaurant and finally decided to try it out. Expensive for meh food. Will not be...More

Thank SokiRamos
Reviewed 3 weeks ago via mobile

Best clam strips my husband ever had. Fresh sweet and delicious. I had steamers. They were plump Fresh and delish. Also the OMG lobster roll for $26. So not worth it. Extremely disappointed. I eat lobster a lot and i can say do not eat...More

Thank carolyn l
Reviewed 16 May 2018

Went here for a mother's day lunch...not greeted by girls at counter, only asked what is your order...ordered lobster rolls which were very chewy and had no taste, had to ask for butter on the side..ordered fish sandwich, which was also very chewy and lacked...More

1  Thank catgirlct
Reviewed 23 January 2018

This is an outdoor restaurant, which has a covered porch in case of rain. It is located at a Marina overlooking the sound, which is it's major attraction. Seating is primarily picnic tables. One orders at a window and pick up at a window, so...More

Thank BillOPhilaelphiaPA
Reviewed 10 November 2017 via mobile

We brought our boat out and docked on the fuel dock let me walk to the restaurant and enjoy the great meal of fried fish calamari and clam chowder we then had ice cream for dessert would recommend it I believe it is a seasonal...More

Thank David G
Reviewed 23 September 2017

Costellos is right next door to Abbotts but does not serve lobster dinners, instead serving lobster rolls that are out of this world. The sandwich comes with a order of fries and cole slaw. Truly delicious. ,stop here often when I'm in the area

Thank poppy843
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Questions & Answers
25 July 2016|
AnswerShow all 2 answers
Response from Macball50 | Reviewed this property |
I think it's very reasonable.
Improve this listing

Restaurant Details

Rating summary
  • Food
  • Value
Lunch, Dinner
Restaurant features
Takeout, Outdoor Seating, Seating, Parking Available, Wheelchair Accessible
Good for
View, Kids, Child-friendly, Local cuisine, Groups
Open Hours
11:30 am - 8:30 pm
11:30 am - 8:30 pm
11:30 am - 8:30 pm
11:30 am - 8:30 pm
11:30 am - 8:30 pm
11:30 am - 8:30 pm
11:30 am - 8:30 pm
Location and Contact Information
  • Address: 145 Pearl St, Groton, CT 06340-5773
  • Location: United States  >  Connecticut (CT)  >  Groton
  • Phone Number: +1 860-572-2779
Costello’s offers outdoor dining by the sea and classic New England fresh & fried seafood. Fried clams, fish tacos, scallops, oysters, shrimp & steamed lobsters are a few highlights! Be sure to check out our full menu. Just past Abbott’s on Pearl Street, dine dockside on the Mystic River and enjoy our famous three-state water view. Bring your appetite & BYOB!
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