| Founded | 1999 |
|---|---|
| Locale | Mount Desert Island, Maine |
| Service area | Hancock County, Maine |
| Service type | Bus service |
| Routes | 10 |
| Destinations | Acadia National Park, Bar Harbor, Trenton, Schoodic Peninsula |
| Fleet | 36 buses, 4 vans |
| Fuel type | Propane |
| Operator | Downeast Transportation |
| Chief executive | Paul Murphy |
| Website | http://www.exploreacadia.com |
The Island Explorer is a seasonal bus system which provides fare-free transportation on and near Mount Desert Island in Maine, United States. It is operated by Downeast Transportation and is largely intended to serve visitors to Acadia National Park as a means to reduce area traffic within the park and in area communities, including the Schoodic Peninsula. It typically runs from mid-June through the beginning of October, departing from Kennebec Street to the west of Bar Harbor's Village Green. Operations began in 1999, and in 2019, the service carried over 647,000 passengers.[1]