Mount Desert Island: From Boston take I-95 north to Augusta, Maine, then Route 3 east to Ellsworth, and on to Mount Desert Island. For an alternate route, continue on I-95 north to Bangor, Maine, then take Route 1A east to Ellsworth. In Ellsworth, take Route 3 to Mount Desert Island.
Schoodic Peninsula: Take I-95 north to Bangor, Maine, then take Route 1A east to Ellsworth. In Ellsworth, head north on U.S. Route 1 for approximately 17.3 miles to Hwy 186. Turn right on Hwy 186 and drive 6.5 miles. Turn left at yield sign, continue .5 miles and turn right on Schoodic Loop Road.