Island Explorer
Downeast Transportation
Free propane-powered bus system with 8 routes serving Mount Desert Island, Acadia National Park, Bar Harbor, and surrounding villages. Operates late June through mid-October with spring service starting in May. 400,000+ passengers per season.
Who can use this?
Open to everyone. Completely free, no fare required.
About this resource
The Island Explorer is a fare-free bus system serving Mount Desert Island, Acadia National Park, Bar Harbor, and neighboring villages. Operated by Downeast Transportation with propane-powered vehicles, the Island Explorer provides 8 routes connecting hotels, campgrounds, hiking trails, beaches, and village centers. Over 400,000 passengers ride each season. Service runs from late June through mid-October, with spring Gateway Center service starting in May.
Services offered
- 8 bus routes across MDI and Acadia
- Free transportation to trailheads and beaches
- Village center connections
- Campground and hotel pickups
- Bicycle racks on buses
- Gateway Center park-and-ride
What to expect
Check exploreacadia.com for current routes and schedules. Flag down a bus at any stop. No fare, tickets, or reservations needed.
What to bring
Nothing required.