Welcome to Bangor, ME

A public float landing, just below the mouth of Kenduskeag Stream, has a depth of 3 feet reported alongside, but no facilities are available. Gasoline, diesel fuel, provisions, and some marine supplies can be obtained in Bangor.
Navigation:
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The Penobscot River, emptying into the head of Penobscot Bay, forms the approach to the towns of Bucksport, Winterport, and the cities of Bangor and Brewer; the last two are at the head of navigation about 24 miles above Fort Point Light at the entrance. The deepest draft ordinarily trading to Bangor is about 16 feet. The channel is marked by buoys, daybeacons, and a lighted buoy to a point about 1.5 miles below South Brewer.
Bangor is an important city on the west bank of Penobscot River at the head of navigation. Three fixed highway bridges and a railroad swing bridge connect Bangor with Brewer. The first bridge has a clearance of 74 feet and the second has a clearance of 22 feet. There is no navigation above the third bridge. The river between the second and third bridge is used only to moor small craft. A dam crosses the Penobscot River 1 mile above the fourth bridge.