Special Events

Host an unforgettable celebration, wedding or business function at the gateway to the Hamptons and Long Island Wine Country. Our event venues total 17,000 square feet of indoor and outdoor space and put your guests within walking distance of local shopping, dining and entertainment such as the Long Island Aquarium. Our East Long Island wedding venues and meeting spaces feature an idyllic setting for any social or corporate event. Count on outstanding facilities, services and catering that adhere to strict health and safety guidelines and social distancing norms, including hybrid meetings that let some of your attendees join virtually.

Total Sleeping Rooms


Largest Space

5,310 sq ft


We offer 17,000 sq ft of newly-renovated waterfront event venues with views of the marina and Peconic River. Our indoor and outdoor spaces can be custom tailored to flexibly adhere to social distancing guidelines and are perfect for small corporate meetings, training classes, reunions, weddings and receptions. From our 5,310 sq ft Sea Star Ballroom to the outdoor Riverside Pavilion, Hyatt Place Long Island / East End can accommodate all your needs. We are also directly next to Atlantis Banquets & Events catering space.


wedding and events space


We can host your ceremony in eight different venues – all renovated and tailored to follow the latest social distancing norms. Outdoor locations include the Riverside Pavilion, our waterside dock, Koi Pond, within our Sea Lion Coliseum or adjacent to Otter Falls. Indoor events spaces and meeting rooms include the Riverfront Room, offering a chapel-like setting, the Main Aquarium with a waterfall backdrop, the Coliseum Room or our 120,000-gallon shark exhibit’s Shark Dive ceremony!


U-shape Meeting


Bring people together as a team – in person or virtually, with a hybrid meeting set amidst the splendor of Long Island Aquarium's captivating exhibits. Host your next event, corporate gathering, or meeting inside the Sea Star Ballroom's 5,310 square foot formal ballroom overlooking the Peconic River or select our modern conference room for a more intimate gathering. When it's time to explore the sights of Riverhead and East Long Island, your guests can enjoy bike and water activity rentals.
Wine and Social Tuna

Events have changed. So have we.

Whether it’s a wedding or your company’s first face-to-face brainstorming session, Hyatt can help you create exceptional events that reflect the new world. Learn more about Together by Hyatt—our approach to bringing people together again, fueled by our purpose of care.

Contact Us

Let’s start the planning process! Contact us for more information or to schedule an appointment.