Hours: Old and new lighthouses Tues.-Sun. and holiday Mon. 10-5, July-Aug.; Thurs.-Sun. and holiday Mon. 10-5, Thurs. before Memorial Day-June 30 and in Sept.; Fri.-Sun. 10-5, Oct. 1 to mid-Oct. Keeper’s house open Tues.-Sat. 11-4, Sun. and holiday Mon. 1-4, Memorial Day-Labor Day. Phone ahead to confirm schedule. Allow 30 minutes minimum.