Atlantis Banquets & Events is a unique wedding venue located on Long Island in the historic town of Riverhead, New York. Nestled on the banks of the Peconic River, this iconic waterfront venue is a one-of-a-kind setting for your wedding in the heart of Long Island. Our dedicated event and culinary specialists at Atlantis Banquets & Events will assist you in creating that once-in-a-lifetime celebration that you, and your loved ones, will cherish forever. Facilities and Capacity Your guests will be mesmerized by the 120,000-gallon Lost City of Atlantis Shark Exhibit, the penguin and sea lion exhibits and beautiful fish tanks located throughout the Long Island Aquarium. Couples who prefer a more romantic and classic venue can party away in the Sea Star Grand Ballroom with it's panoramic views of the tranquil Peconic River and Treasure Cove Marina. Atlantis Banquets & Events can accommodate up to 340 wedding guests in the classic Sea Star Ballroom and 290 guests in the interactive exhibits of the Coliseum Room, in the Long Island Aquarium. These two venues feature a variety of options for couples to exchange their vows, and to celebrate their nuptials both indoors or outdoors. Services Offered Atlantis Banquets & Events is a full-service catering venue that is available for wedding ceremonies and receptions, as well as other events worthy of celebration, including bridal showers, engagement parties, rehearsal dinners and post-wedding brunches. This resort property offers two hotels for overnight accommodations for out of town guests. The event staff will be with you every step of the way both during your wedding planning and your wedding day. Our venues offer complimentary valet parking and other amenities for wedding packages. Cuisine Couples who host their cocktail hour and wedding reception at Atlantis Banquets & Events can choose from a variety of reception packages that fit their taste and budget including buffet and plated dinner options. Contact Please contact one of our representatives to assist you in creating the wedding of your dreams.