Water Mill Museum , Old Mill Road, Water Mill. Open 11 a.m.-5 p.m. Lighthouses Montauk Lighthouse , Montauk State Park, Montauk. Lighthouse was commissioned by George Washington and finished in 1796. The museum in its base, run by the Montauk Historical Society, features early photos and displays, with guides on hand.
Visitors can climb to the top for sweeping vistas.
Call for other times and special holiday hours. Eatons Neck Lighthouse , end of Lighthouse Road, Eatons Neck. The 50-foot tower on the Coast Guard station was built in 1799. Open for group tours only with advance reservations. Fire Island Lighthouse , accessible from Robert Moses State Park parking lot 5.