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625 North Rd, Groton, CT 06340-3212
+1 860-326-0360
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  • Excellent49%
  • Very good24%
  • Average18%
  • Poor6%
  • Terrible3%
Travellers talk about
“steak” (62 reviews)
“salmon” (13 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 (258)
Traveller rating
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1 - 10 of 255 reviews

Reviewed 3 weeks ago via mobile

The appearance of this restaurant is definitely out dated. Since they are part of the hotel they are last on the list to be remodeled. The staff including the manager had very little knowledge of the different cuts of meats. The food was nothing great....More

Thank Louis D
Reviewed 24 March 2018 via mobile

Classy place. Friendly staff. Wonderful decor. Excellent buffet breakfast. Everything that we could ask for. We got a free voucher for breakfast from the Marriott hotel where we were staying next door, so don't know the price. I would suspect it ain't cheap! If you're...More

Thank JonW_62
Reviewed 18 March 2018 via mobile

Have visited here a few times with family , friends and once on a blind date that didn’t show. The staff here are exceptional and always friendly. They go out of their way to accommodate special requests while not being overbearing . The management is...More

Thank caribbeanfruit
Reviewed 4 March 2018 via mobile

My wife and I went here for Valentine’s Day and was disappointed right away when they did not have their traditional menu. My wife and I got steaks that had to be sent back because they were very undercooked. This was the first time I...More

Thank Bruce H
Reviewed 11 February 2018

This was our second visit to the hotel, bar & restaurant. My review is only about the service received by the Mgr Michael...he is extremely friendly and accommodating! Our first visit was in a “fun” suite with 8-10 female family members & the room service...More

Thank Leigh M
Reviewed 21 December 2017

Great Quality Steak at an Affordable Price. Service was Fantastic also. Fine assortment of Desserts to choose from.

Thank bear3911
Reviewed 20 November 2017 via mobile

This was fine. The manager changed our table with no fuss when we didn’t like the one that we had been given. The waitress was attentive and knowledgeable. We modified our menu choices with no problem. The service was rather slow and the dressing with...More

Thank Bob S
Reviewed 11 October 2017 via mobile

We have been to the Octagon a number of times. Both service and food is hit or miss. We have enjoyed wonderful food and great service some of the time, while other times we leave absolutely disgusted with the service and hungry from an expensive...More

Thank Pam J
Reviewed 9 September 2017

We've dined here about 7 times. We stay at the Marriott hotel while visiting Mystic. Always an enjoyable experience. We always order the filet mignon; although we miss the roasted garlic that the restaurant used to serve, we are still happy. Thank you Nathaniel (for...More

Thank LoyalCancunFan
Reviewed 20 August 2017

Limited menu of pricey options (expect to pay at least $75 per person for dinner) but the food is very good, with some variety. I especially liked the beet salad and the crab cake appetizer. Service was also good. We ate here because we were...More

Thank CathyM_CorgiMom
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Nearby Attractions
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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
Romantic, Child-friendly, Business meetings, Groups, Local cuisine, Special Occasion Dining, Bar Scene
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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