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Costello's Clam Shack

145 Pearl St, Groton, CT 06340-5773
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Ranked #9 of 102 restaurants in Groton
Certificate of Excellence 2014
Cuisines: American, Seafood
8 visitor photos
Restaurant details
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59 reviews from our community

72% Recommend
Rating summary
Date | Rating
  • English first
  • Any
English first
Pottstown, PA
Senior Contributor
31 reviews 31 reviews
19 restaurant reviews
7 helpful votes 7 helpful votes
4 of 5 stars Reviewed July 22, 2014 NEW

We tried to go to Abbott's Lobster in the rough but it was so crowded that we decided to try Costello's which is just down the road. Hubby had the chilled lobster roll and I had the fried whole clam bellies which were tender and fried to perfection. It was a beautiful afternoon and we sat outside and watched the... More

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Top Contributor
63 reviews 63 reviews
32 restaurant reviews
20 helpful votes 20 helpful votes
5 of 5 stars Reviewed July 16, 2014

Great place! anything and everything fried that you can imagine from the sea. Another BYOB place which is very cool. Great views, great food, great service. Loved it so much

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new england
Top Contributor
59 reviews 59 reviews
41 restaurant reviews
26 helpful votes 26 helpful votes
3 of 5 stars Reviewed July 13, 2014

We went there on a Saturday evening, though the place wasn't particularly busy. No wait to order. We ordered the New England style clam chowder, fried shrimp and fish and chips. The clam chowder had very little clam meat but otherwise was tasty. The shrimp were similar to the frozen, pre-breaded ones you can get at the supermarket and I... More

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Cookeville, Tennessee
Top Contributor
80 reviews 80 reviews
29 restaurant reviews
92 helpful votes 92 helpful votes
5 of 5 stars Reviewed July 4, 2014

The clam strips are as fresh as they come and the fried fish the best. This place is really really good and no tot be missed.

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Stonington, Connecticut
Senior Contributor
23 reviews 23 reviews
17 restaurant reviews
8 helpful votes 8 helpful votes
4 of 5 stars Reviewed July 1, 2014

Have been here twice in the last two weeks. Both meals were terrific. A couple of things worth noting. Yes, there are a lot of tourists. It is BYOB. The views of Fishers Island Sound are unbeatable! Had the fish and chips meal and it was wonderful. Crispy fish, not greasy and not too much batter. Mom had the lobster... More

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Ashburn, Virginia
14 reviews 14 reviews
11 restaurant reviews
5 helpful votes 5 helpful votes
4 of 5 stars Reviewed June 25, 2014 via mobile

Located in a marina at the end of a pier, Costello's is great seafood with a local flare. It's outstanding seafood served in an outdoor setting. Extremely casual dining as you sit at picnic tables, Costello's baked scallops dinner was excellent as were the fried whole clam bellies. I make it a point to stop on every trip to Groton.

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13 reviews 13 reviews
10 restaurant reviews
1 helpful vote 1 helpful vote
3 of 5 stars Reviewed June 21, 2014

I am a loyal patron of CCS. I have enjoyed the ambiance, food and service for years. Tonight we were served a fried corn on the cob that was overcooked and unsightly. We were served another ear that was picture perfect along with the rest of our meal. When I asked for a $1,50 refund, showing the bad corn, no... More

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Alexandria, VA
Top Contributor
304 reviews 304 reviews
156 restaurant reviews
97 helpful votes 97 helpful votes
4 of 5 stars Reviewed June 18, 2014

if you can find Abbott's Lobster, then you have found Costello's. It is the next restaurant on the left down on the pier. They serve excellent seafood whatever way suits your taste. Choose the fries to accompany your fish. This is a place to eat, not enjoy the ambience except for the vista of the water that surrounds you. A... More

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Ledyard, Connecticut
Senior Reviewer
10 reviews 10 reviews
6 restaurant reviews
5 helpful votes 5 helpful votes
5 of 5 stars Reviewed June 17, 2014 via mobile

One of the great hidden treasures of southeastern Connecticut; Costello's Clam Shack serves some of the best fried, steamed, and baked seafood in the area. Costellos's features beautiful views of Fishers Island Sound, and is a great viewing spot for sailboats and yachts entering and leaving the Mystic River, especially from their shaded upper deck. A favorite among locals, and... More

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North Tonawanda, NY
Top Contributor
115 reviews 115 reviews
80 restaurant reviews
36 helpful votes 36 helpful votes
4 of 5 stars Reviewed June 16, 2014

Just what the doctor ordered -- It was a physician who recommended this place as having the best fish and chips in Connecticut. Far as we know, he has no financial interest in this place and -- in any case -- he may be right. The fish was perfectly fried, the french fries were unusually tasty, and we were very... More

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