Campobello Island, New Brunswick and Lubec, Maine are two small, isolated communities on the western side of the entrance to the Bay of Fundy, linked by the international Roosevelt-Memorial Bridge.
From the North (Canada and northern Maine): Drive south on Route 1 to Whiting then turn left onto Route 189 to drive east to Lubec and Campobello Island.
From the East (Canada): Either cross the road border from Canada into the USA at St.Stephen/Calais and drive south on Route 1 to Whiting then turn left onto Route 189 to drive east to Lubec and Campobello Island
Or take the Deer Island ferry from St. George, cross Deer Island, then take a second ferry to Campobello Island. This route does not involve leaving Canada.
From the South and West (USA): From Bangor, take either Route 9 towards Calais and then Route 192 from Wesley to Machias, or Route 1A and Route 1 through Ellsworth to Machias. Leave Machias on Route 1 northwards towards Calais, turning right onto Route 189 in Whiting towards Lubec and Campobello Island.
Airports and Car Rentals:
The closest airports are all about 2.5 hours away by road. Fredericton and Saint John are in Canada. Bangor and Bar Harbor/Hancock County are in the USA.
Visit Lubec and Visit Campobello have lots of useful information.
For more general information on the area try: Downeast Maine and Acadia and New Brunswick.