The Sail, Power and Steam Museum opened Wednesday, May 1st for the summer. The Museum will be open Wednesday through Saturday from 10am to 4pm and Sunday from. 1pm to 4pm. Also, by appointment – call 207-701-7627. The Museum is located at 75 Mechanic Street, in Rockland, Maine. Wednesday is Free Tour Day, with guided tours from 2pm to 3:30pm. Sundays bring Musical Jam sessions, rain or shine, from 2pm to 4pm.