Atlantis Banquets & Events offers one of Long Island’s most unique and versatile collections of event spaces, set along the beautiful Peconic River in Downtown Riverhead. From an elegant ballroom and scenic waterfront pavilion to immersive aquarium settings and flexible meeting rooms, the property provides unforgettable backdrops for weddings, milestone celebrations, proms, galas, fundraisers, corporate functions, and multi-day retreats.
Guests enjoy exceptional service, customizable event setups, in-house catering, and stunning waterfront views throughout the property. Whether you’re planning an intimate gathering or a large-scale affair, Atlantis Banquets & Events accommodates a wide range of group sizes with style and sophistication.
Conveniently located near the Hamptons and Long Island Wine Country—and steps from two on-property hotels—Atlantis Banquets & Events delivers ease, beauty, and flexibility for every occasion. With dedicated event professionals and a variety of signature spaces, it’s the perfect destination for events that are both seamless and spectacular.