Start Planning Your Meetings or Events Here

Tell us about your event, then we'll contact you and plan it together


Event Rooms

19751 SQ FT

Total Event Space


Capacity Largest Space


Breakout Rooms

Meeting and Events

From brainstorm sessions to large conferences, our reception venues can host events of any size

The Marriott Ballroom, our largest venue, accommodates up to 1,400 guests in a theater setting Learn More
Leave the organization of your event—from decor to a day out with your group—to our event planner.
Our audiovisual equipment will help you deliver a flawless business presentation.
Video conference with associates outside of Groton, CT via our venues' high-speed Wi-Fi
Prepare for your upcoming conference in our business center, outfitted with computers and printers
Conference Room 5 - Rounds Setup

Weddings and Occasions

Planning to say “I do”? Mystic Marriott Hotel & Spa is one of the top wedding venues in Groton, CT.

With flexible spaces and great catering, our hotel is an ideal choice for your wedding Learn More
Our largest reception venue, the Marriott Ballroom, can host up to 756 guests in a banquet setting
Our stunning floral garden makes the perfect backdrop for memorable wedding photos
Whether you're holding an intimate ceremony or a grand event, we have a wedding package for you.
For a special wedding rate on your stay at Mystic Marriott, reserve a block of 10 or more rooms.
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Rewarding Travel from start to Finish
Earn up to 60,000 points per qualified event with Marriott Bonvoy Events. Elite members earn more with bonus points.


Manage event details, make real-time requests and connect with our staff - from the palm of your hand.

Please note: all room sizes are approximate.

Frequently Asked Questions