Elsa's Inn on the Harbor Share: Lodging Elsa's Inn on the Harbor Visit Website 179 Main St. Prospect Harbor, ME 04669 (207) 963-7571 About Map About Elsa's is a classic B&B on Prospect harbor, 2 miles from Acadia's unspoiled Schoodic area.This recently renovated 1850's home combines comfort, charm, and luxury. Full breakfast. Open year round. What's Nearby? Distance: 5 10 15 20 25 50 mi.