Stayed in October for a 1 week fishing trip, great value Motel.
Rooms very clean and well maintained, nice area at front which gets lots of sun for sitting outside.
Owner was so very helpfull, I had some mail order shopping shipped to the Motel a week before my visit (Because Im from the UK and USA has far cheaper prices) Anyway the owner made 4 trips to the post office to collect my stuff and it was all waiting for me when I arrived.Cant thank her enough, you dont get service like that from the big Motel chains.
Will be staying there on future visits, great value and service.

I stayed here back in September 2011. It was an extremely clean and very well maintained hotel. The furnitures and fixtures were dated for what I am used to, however, the matresses were very nice and comfortable. The rooms were also very spacious. The staff was wonderfully helpful. I was doing some fall fishing and this was very convenient to the marina. I would stay again.

The harborside motel is a very nice place to stay! Clean and very comfy! Has a pool,tennis court,basketball court, grills (if you wanna BBQ). Very close to the water and.....
FRIENDLY STAFF!!!!!!!!!

My first time trip to Montauk without any pre-planning. The staff was very knowledgeable of the local activities. Marina, restaurants and beaches were in walking distance although we mostly drove.

The room was very clean and has a casual nautical feel. I was also surprised the pool temperature was still warm in late September.

All in all, Harborside made my cool list in Montauk.