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625 North Rd, Groton, CT 06340-3212
+1 860-326-0360
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  • Excellent48%
  • Very good25%
  • Average17%
  • Poor7%
  • Terrible3%
Travellers talk about
“steak” (63 reviews)
“salmon” (13 reviews)
Open Now
06:00 - 22:00All hours
Steakhouse, American, Healthy, Gluten Free Options, Vegetarian Friendly
625 North Rd, Groton, CT 06340-3212
All Details
Write a ReviewReviews (254)
Traveller rating
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1 - 10 of 251 reviews

Reviewed 4 weeks ago

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
Reviewed 18 August 2017 via mobile

Kameron and Amy were amazing! Cocktails were second to none! Try the "cosmo". Best I have had anywhere! The food was amazing too! Staff was the best!

Thank 430debbie
Reviewed 10 August 2017 via mobile

Had dinner my first night here because it's part of the Marriott hotel. The hotel is disappointing but the restaurant had great food and great service. It's very expensive and dinner with a glass of wine is an easy $80-$100 per person. Everything was prepared...More

Thank conradusa
Reviewed 25 July 2017

Very large restaurant with no waiting and this hotel was packed the weekend we were there. Great waiter who knew the menu and had a nice personality. Had breakfast off the menu which was great. They offer a buffet as well and this was large...More

Thank Stormin1
Reviewed 10 July 2017

Marriott should be taken to task for their very poor breakfast buffet for which you are changed $13.00 each. The coffee was good. The joule watery, eggs barely audible and I took one bite of a piece of bacon and a sausage and they were...More

1  Thank patj0hn
Reviewed 3 May 2017

At the risk of sounding like a travel snob, hotel based restaurants are not usually my first choice. But the menu, price, service and quality were outstanding and what a nice "commute" back to the room! Our server said locals make the trip just eat...More

Thank JollyKO
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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
Child-friendly, Business meetings, Kids, Local cuisine, Groups, Bar Scene, Special Occasion Dining, Romantic
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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