The East End Seaport Museum & Marine Foundation's 850-gallon saltwater aquarium is a signature living exhibit that brings the Peconic Estuary's underwater world to life. The tank houses a small school of spot croaker, porgies, black sea bass, blowfish, oyster toadfish, and northern red anemone — all native to the local bays and tidal creeks just outside our doors — offering visitors a direct, immersive encounter with the region's marine biodiversity.

This living collection is curated and maintained to reflect the dynamic, delicate ecosystems of Long Island's East End. Toadfish, for example, play a vital role in oyster bed health by preying on crabs and invertebrates that would otherwise overgraze young oysters — quietly maintaining the balance of the reef. Sea robins help aerate the seabed and expose buried prey, shaping the food web for bottom-dwelling organisms throughout the estuary.

Through interpretive signage and interactive programming, the aquarium invites visitors of all ages — from school groups to first-time tourists — to develop a deeper appreciation for the estuary's ecological complexity. As an informal science center, it supports hands-on learning, sparks curiosity about conservation, and anchors the museum's seasonal programming in marine biology and environmental awareness.

In maintaining a sustainable habitat for native species, the aquarium embodies the museum's broader mission: to preserve and interpret the maritime and ecological heritage of Greenport and the East End.