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625 North Rd. Rte. 117, Groton, CT 06340
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Ranked #6 of 103 Restaurants in Groton
Price range: $50 - $70
Sun - Thu 6:00 am - 10:00 pm
Fri - Sat 7:00 am - 11:00 pm
Cuisines: American, Seafood, Steakhouse, Healthy
More restaurant details
Restaurant details
Good for: Romance, Doing business, Entertaining clients
Dining options: Breakfast/Brunch, Dinner, Reservations, Late Night
Dining style: Casual Dining
Description: 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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147 reviews from our community

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Rating summary
Date | Rating
  • English first
  • German first
  • Spanish first
  • Any
English first
Orlando, Florida
Top Contributor
53 reviews 53 reviews
16 restaurant reviews
47 helpful votes 47 helpful votes
3 of 5 stars Reviewed December 10, 2014

Sat at the bar and ordered off the Octagon dinner menu. I ordered their organic chicken and felt it was a good sized portion for the price. Of the 2 pieces of chicken, 1 was incredibly dry and neither piece really had much taste. There was so much gravy or some sort of sauce drizzled on the mashed potatoes it... More 

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WHGGuestService, Director of Resturant Outlets at Octagon, responded to this review

Dear Kristin_S_0715, I apologize you feel as though your recent dining experience did not meet your expectations. Customer satisfaction is very important to us. I understand that first impressions are important, but I encourage you to give us another chance to show you what a wonderful meal you can have here at Octagon and to please contact me to further... More 

Top Contributor
99 reviews 99 reviews
70 restaurant reviews
39 helpful votes 39 helpful votes
5 of 5 stars Reviewed December 9, 2014

The food was excellent.and we had Angela as our server. She was so nice and really listened. A good experience all around!

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Senior Reviewer
6 reviews 6 reviews
3 restaurant reviews
2 helpful votes 2 helpful votes
5 of 5 stars Reviewed December 4, 2014

My boyfriend and I were staying in mystic and decided to treat ourselves to a nice dinner the first night we arrived. We searched for steak in the area and decided that octagon sounded good. It was a great choice. From the moment we sat down until we left everything was wonderful. Our server Lauren absolutely made our night. She... More 

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Winsted, Connecticut
Senior Contributor
32 reviews 32 reviews
22 restaurant reviews
5 of 5 stars Reviewed November 30, 2014 via mobile

My husband and I stayed at the hotel attached to the restaurant so we ate 2 breakfasts, 1 lunch and 1 dinner here. All the meals were great, the breakfast buffet is totally worth it everything forms omlets to yogurt and granola. The lunch menu isn't super big but very yummy. Our order for messed up, so while we waited... More 

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Senior Contributor
24 reviews 24 reviews
18 restaurant reviews
8 helpful votes 8 helpful votes
2 of 5 stars Reviewed November 13, 2014

My husband and I go out to dinner often - at least two or three times a week sometimes more. Never occurred to us to go to Octagon at the Marriott as there are so many excellent restaurants in Mystic and Westerly but today in the spirit of restaurant week we decided to give it a try. We won't be... More 

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Mystic, Connecticut
1 review
5 of 5 stars Reviewed November 11, 2014

Just had the best birthday dinner ever! I've been to the Octagon several times for breakfast but never for dinner until today. The crab cake was the best I've ever had (and I lived in Maryland for many years) while the scallops with mushroom risotto were equally fantastic! Service was also great (thanks Tom!) and the ambience, comfortable and relaxing.... More 

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14 reviews 14 reviews
5 restaurant reviews
3 helpful votes 3 helpful votes
4 of 5 stars Reviewed November 11, 2014

There was a time when the Octagon first opened that it was excellent and exceptional. Then, they seem to have lost some of that initial spark. Well, they have found it again. They have great specials and have adopted a seasonal menu. The champagne dressed chopped salad is great and the quality of the meat is once again superb. Don't... More 

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WHGGuestService, General Manager at Octagon, responded to this review

Dear 5CTFamily, Thank you for taking the time to review your experience at Octagon Steakhouse. I’m so delighted to hear that you were pleased with your meal and that you enjoy our specials and seasonal menu changes! The crème brulee is a favorite among our regulars. We look forward to welcoming you back! Kind regards, Farouk Rajab General Manager More 

Senior Contributor
22 reviews 22 reviews
5 restaurant reviews
13 helpful votes 13 helpful votes
5 of 5 stars Reviewed November 11, 2014

We all thoroughly enjoyed our meals and our waitress, Lauren, was attentive, efficient and fun. The filet mignon, as always, was delicious and the lobster mac and cheese was very good

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Wayland, Massachusetts
Top Contributor
67 reviews 67 reviews
41 restaurant reviews
23 helpful votes 23 helpful votes
4 of 5 stars Reviewed November 10, 2014

We stayed at the hotel and after traveling for a couple of hours arrived and stopped for breakfast. Although they have a great buffet, we ordered off the menu. We got exactly what we wanted and were extremely satisfied. The staff made us feel like we were family. Thank you!

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Mount Pleasant, South Carolina
1 review
5 of 5 stars Reviewed November 6, 2014

Let me start by saying I am from Charleston, SC. One of the finest places for fine food and dining experiences. The Octagon restaurant exceeded my expectations. Tom, Roger, and Maria provided impeccable service. My table dined on the lobster bisque, crab cakes, scallops, salmon, and new york strip special. All were done to perfection and were delectable. We were... More 

Was this review helpful? Yes
WHGGuestService, General Manager at Octagon, responded to this review

Dear alyssampt, Thank you for taking the time to review your recent dining experience here at Octagon Steakhouse! I am so happy to hear that we exceeded your expectations and provided excellent service and delicious meals- I will pass along your kind comments to the team. Again, thank you for all of your positive feedback and we look forward to... More 

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Additional Information about Octagon

Address: 625 North Rd. Rte. 117, Groton, CT 06340
Phone Number: 8603260360
Location: United States  >  Connecticut (CT)  >  Groton
Open Hours:
Sunday 6:00 am - 10:00 pm
Monday 6:00 am - 10:00 pm
Tuesday 6:00 am - 10:00 pm
Wednesday 6:00 am - 10:00 pm
Thursday 6:00 am - 10:00 pm
Friday 7:00 am - 11:00 pm
Saturday 7:00 am - 11:00 pm
Average Prices: USD 50 - 70
Cuisine: American, Seafood, Steakhouse, Healthy

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Typical questions asked:
  • Do you have gluten-free options?
  • Is there a dress code?
  • Do you allow dogs on the outdoor patio?