Atlantis Banquets & Events

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

Bridal couple embracing outside the front of the Atlantis Banquet Events. Couple smiling at one another in front of aquarium display. Groom dipping Bride and kissing her on a wooden bridge in front of Greek columns.  Bride and Groom kissing  outside while standing on wooden bridge overlooking lake. Bride in between  husband and seal, getting a kiss on both cheeks. Interior design of wooden bridge and mini waterfall. Bride and Groom posing with a penguin in front of them. Reception area in grand ballroom with simple white tablecloths. Reception area with simple white tablecloths and branches with lights as centerpieces. Two brides holding hands, smiling down at a penguin in front of them. Wedding reception table set up, with tall centerpiece containing white flowers. Bride and groom dancing in ballroom with uplighting. Staircase with flower decor wrapped around rails. Couple kissing outside on wooden walkway. Bride and Groom standing outside in front of shrubbery as they smile at the camera.  Several tables arranged together in a dining room, dressed with place settings Flower display on tables surrounded by blue uplighting. Staircase leading down to a ceremony, and grand chandelier. Reflection of a Bride and Groom on the aquarium tank glass. Ballroom setup with tall flower centerpieces with purple uplighting. Bride and Groom kissing on the bridge with a  large love sign in background. Outdoor ceremony setup with harp in the background. Beautiful indoor ceremony setup with pink uplighting. White wedding cake with cute brown animal topper. Atlantis main lobby staircase with purple uplighting. The bride and groom kissing outside of Atlantis. Bride standing  near the main entrance holding her flowers. A outdoor ceremony setup with white chairs and a welcome board for the guest. The reception ballroom setup with purple and pink uplighting. A staircase with candles on each step with blue uplighting.

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].

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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