Located in Downeast Maine, Deer Isle is an island reachable by bridge from the end of the Blue Hill Peninsula. The island itself has two towns: Deer Isle, which is also the island's name, and Stonington.
Deer Isle is only reachable by car, but a plane or train will get you closer.
Deer Isle is accessible via several winding country roads that split off of U.S. Route 1.
Coming from the south or west (Portland or Camden), turn onto Route 175 in Orland, then connect to Route 15 and continue to Deer Isle.
From the east (that is, Bar Harbor), head south on Route 172 to Blue Hill, where you can also pick up Route 15.
Driving notes:
Deer Isle is connected to the mainland via a high, narrow, and graceful suspension bridge called the Deer Isle-Sedgwick Bridge, which will bring you to Little Deer Isle. After that, you'll take a causeway to get to actual Deer Isle.
Cell phone service can be spotty, so make sure you have your route and directions loaded in advance. You can also stop by the Deer Isle Welcome Center on your way in. It's located on Little Deer Isle about 1/4 mile after crossing the bridge.
Fly into Bangor, ME, Bar Harbor, ME, Portland, ME, or Boston, MA before renting a car to make the trip to Deer Isle.
Bar Harbor Airport - 1 hour drive to Deer Isle
Bangor International Airport – 1.5 hour drive to Deer Isle
Portland International Jetport – 3 hour drive to Deer Isle
Boston Logan International Airport – 5 hour drive to Deer Isle
Take the Amtrak into Portland or Brunswick, and rent a car to enjoy the coastal views up to Deer Isle