Upon arrival, contact the Harbormasters on VHF channels 16 or 73 (preferred) and stop by the Harbormaster office to register. Harbormasters are on duty seven days a week, 6 a.m. to 10 p.m., May through September. The Harbormaster office is open Monday through Friday, 8 a.m. to 5 p.m., and is located in the parking lot above Bar Harbor North. The building has public restrooms, showers, and a public telephone for your convenience.