Atlantis Banquets & Events

431 East Main Street
Riverhead, NY 11901
Phone: 631-574-8008
Phone: 631-574-8008

Reception table setup with simple white tablecloths in the aquarium. Christmas themed wedding reception area with turquoise accents and white Christmas tree centerpieces Purple and white wedding decor setup in ballroom. White wedding reception area with tall white roses as centerpieces. Bride and Groom posing in front of tank of fish. Three people in underwater cage looking at fish close up. Interior design of wooden bridge and mini waterfall. Guests enjoy cocktail hour as a decorative shark hangs overhead. Bride and Groom posing with a penguin in front of them. White bed with rose petals in a heart shape and towels shaped as swans kissing. Reception area under a white tent with Tiffany blue tablecloths. Bride holding her bouquet in a beaded ballgown poses in front of a harbor. Wedding ceremony venue with purple uplighting. Bride and Groom kiss outside of the blue-lit Sea Star reception venue. Bride smiles at a monkey through the glass. Wedding reception set up in aquarium. Red and white reception space. Bride and Groom pose in front of rustic doors. Reception area in grand ballroom with simple white tablecloths. Reception area with simple white tablecloths and pink accent decorations. Red and white reception space. Bride and Groom pose on wooden boardwalk. Reception area with simple white tablecloths and branches with lights as centerpieces. Bride and Groom posing with a blue butterfly on Groom's finger. Reception table with turquoise tablecloth and hanging ornament centerpiece. Long Island Bride and Groom Magazine Ad, Atlantis Banquets & Events.

About Us

When it comes to catering halls on Long Island, there are an endless amount of options, but the challenge is not only in finding a location, but also in choosing the one that best suits your event. Whether you're looking for an intimate place for a quiet reception, a large hall for hundreds of well-wishers, or a unique setting surrounded by water, Atlantis Banquets & Events is the right choice. 

 A setting as special as your wedding.

Atlantis Banquets & Events creates a magical atmosphere for any social event. A once-in-a-lifetime celebration deserves a one-of-a-kind setting. From our waterfront location on the Peconic River to their spectacular aquatic displays, Atlantis Banquets & Events offers the ultimate wedding on the water.

But our distinctive atmosphere is only one of the advantages we bring to your celebration. We also offer incomparable service and exquisite cuisine, and can tailor a menu to your requirements and budget.

A unique backdrop you and your guests will remember forever—from impressive weddings, Bar/Bat Mitzvahs, proms, reunions, christenings, engagement parties, and children’s birthdays to holiday galas, corporate parties, team building events, fundraisers, and conferences.

Functions involving 20 to 650 guests, in settings as diverse as waterfront Riverside Pavilion, popular for cocktail parties, elegant Coliseum Room, perfect for formal evening receptions, breathtaking Sea Star Ballroom, our Terrace Room, perfect for bridal showers or post-nuptial brunches, and Peconic Meeting Room, conveniently located in the adjacent Hyatt Place Long Island/East End.

Atlantis Banquets & Events is located within the Long Island Aquarium and adjacent to the waterfront Hyatt Place Long Island/East End at 431 East Main Street, Riverhead, NY. For additional information, or to find out how to book an event, call 631.574.8008, or e-mail [email protected]

Visit for more details.    

Venue Amenities

Ceremony on Premises

Outdoor Cocktail Area

Outdoor Reception Area


Kosher Available: ASK

#of Simultaneous Weddings: 2

Maximum Reception Capacity: 400

Telephone: 631-574-8008