The facility was originally founded as the Atlantis Marine World before undergoing rebranding.
The aquarium utilizes an advanced life support system to maintain the delicate ecosystem of its massive indoor coral reef.
It is home to a diverse population of rescued seals that reside in the main outdoor habitat.
The shark exhibit allows for public viewing from multiple angles, including a large acrylic tunnel.
The aquarium provides a dedicated habitat for rare albino American alligators.
Its location on the Peconic River allows for specialized salt-marsh ecology tours.
The Long Island Aquarium, located in Riverhead, features one of the largest all-living coral reef displays in the Western Hemisphere. The facility houses a 120,000-gallon shark tank that serves as the centerpiece of its aquatic exhibits. Visitors can view sea lion performances, which are held regularly in the outdoor exhibition area. The aquarium offers seasonal boat excursions along the Peconic River to view local wildlife. The main building includes a touch tank where guests can interact with rays and various small marine invertebrates. Its diverse exhibits range from Amazonian river dwellers to cold-water marine life native to the North Atlantic. Educational programs focus on regional conservation efforts and marine biology research.
Inside the acrylic shark tunnel for an immersive underwater perspective.
Check the daily show schedule upon entry, as sea lion performance times change seasonally.
The outdoor exhibits are open-air, so prepare for local weather conditions if visiting during spring or autumn.
Allow extra time to walk the riverfront area adjacent to the main building.
Visiting on rainy weekend afternoons when the indoor galleries become highly congested.
