Regular cruises around the bay are available, as are cruises to Vinalhaven Island and Isle au Haut. For such a small town, Castine sure has some history. More than 100 historical markers mark sites where history was made with hard fought battles. Some of the houses here date back to the 1700's. Today, it is home to Maine Maritime Academy and their huge training ship, the State of Maine.
Tours are available.
At the mouth of the Penobscot River, Bucksport offers deep water port facilities. Champion Paper Mill is located here and is the most modern of its type in the world. An international bridge spanning the St. Croix River connects Calais to the city of St. Stephen, New Brunswick. Calais is Washington County's largest city. During August, the International Festival and features parades, river races, fireworks, soap box derby and more.