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625 North Rd, Groton, CT 06340-3212
+1 860-326-0360
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  • Excellent50%
  • Very good23%
  • Average18%
  • Poor6%
  • Terrible3%
Travellers talk about
“steak” (62 reviews)
“salmon” (13 reviews)
“rack of lamb” (4 reviews)
Open Now
07:00 - 23:00 Hours
Steakhouse, American, Healthy, Vegetarian Friendly, Gluten Free Options
625 North Rd, Groton, CT 06340-3212
All Details
Write a ReviewReviews (268)
Traveller rating
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Time of year

1 - 10 of 265 reviews

Reviewed 1 week ago via mobile

My family were here for the weekend, and as a Mom of three small children, I have to say it is challenging to manage dinner. Upon arrival we were greeted by a manager named Lauren who immediately took to our children, and brought them fresh...More

Thank Filly779
Reviewed 3 weeks ago

Stopped here for dinner for our 1st night on vacation, and although the food tastes good, the service was not great, the wait time for the food was horrible and my steak was cold when it got to us lol and it was waaaay to...More

Thank jdmgirl978
Reviewed 3 weeks ago via mobile

Wonderful dinner at The Octagon...service was excellent. I had the filet and my husband had the rib eye, perfectly cooked to our requested medium rare. Appetizers were also beautiful and delicious. The kitchen was so slow that they comped a very yummy lobster bisque....not sure...More

Thank 582rodneyb
Reviewed 8 October 2018 via mobile

My hubby and I stayed at the Mystic Marriott Hotel and Spa to celebrate our anniversary. I reserved a table at Octagon through Open Table. In the comments, I mentioned we were celebrating our anniversary. Upon arriving at the hotel, we decided to change our...More

Thank glong531
Reviewed 2 October 2018

This is at the Marriott Hotel in Groton. The food was good, but the atmosphere was not fine dining. Our waiter was excellent.

Thank lionslurking
Reviewed 6 August 2018 via mobile

Highly recommend this restaurant for the quality of its food and menu choices, the staff is also very professional and attentive.

Reviewed 23 July 2018 via mobile

Stopped here for dinner as i am staying in the hotel. The filet mignon was better than a Texas Roadhouse but not as good as a Mortons. My wife had the chicken breast with fingerling potatoes and she said that was really good. The kids...More

Thank 589ChristopherC
Reviewed 9 July 2018

I had a small reception using their private room. Everything was great, food and service! Easy to coordinate.

Thank ada v
Reviewed 3 July 2018

bacon was cold. home fries were frozen not homemade. omelettes were good. wish there we a little more selection of yogurts. the bar was nice - good pour of bourbon ;)

Thank Tinabeanct
Reviewed 3 July 2018 via mobile

The service and food was very good overall. The house wine is not acceptable. Choose a sure thing instead. The home fries at breakfast were dry.

Thank newenglander1952
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Nearby Attractions
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182 reviews
3.34 km away
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685 reviews
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Outer Light Brewing Company
31 reviews
4.19 km away
Groton Public Library
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Restaurant Details

Rating summary
  • Food
  • Value
Average prices
US$50 - US$70
Dinner, Brunch, Breakfast, Lunch, After-hours
Restaurant features
Reservations, Seating, Waitstaff, Parking Available, Highchairs Available, Wheelchair Accessible, Serves Alcohol, Full Bar, Private Dining, Free Wifi
Dining Style
Casual Dining
Good for
Groups, Local cuisine, Special Occasion Dining, Romantic, Bar Scene, Business meetings, Child-friendly
Open Hours
06:00 - 22:00
06:00 - 22:00
06:00 - 22:00
06:00 - 22:00
06:00 - 22:00
07:00 - 23:00
07:00 - 23:00
Location and Contact Information
  • Address: 625 North Rd, Groton, CT 06340-3212
  • Location: United States  >  Connecticut (CT)  >  Groton
  • Phone Number: +1 860-326-0360
Located just outside Mystic, CT, Octagon prides itself on offering the finest steaks and freshest seafood everyday. Our menu changes seasonally and celebrates local ingredients harvested right here in our beautiful state of Connecticut. To our pleasure, our guests are travelers from around the globe and neighborhood locals. From our open grill and wine cellar to our one of a kind artwork and glass sculptures, we truly believe dining should be an experience, not just a meal.
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