The Calvert Marine Museum is a maritime museum located in Solomons, Maryland. The museum has three main themes: Among its exhibits are the Drum Point Light, the bugeye Wm. B. Tennison, and the J. C. Lore Oyster House; the latter two are National Historic Landmarks. It also houses artifacts from the old Cedar Point Light, and maintains the Drum Point Light and grounds. The museum also features several aquatic exhibits including an outdoor habitat for their North American river otters, and indoor aquarium exhibits for the sting ray, skates, the non-native lionfish, and numerous other species native to the Chesapeake Bay and its tributaries.