When the fleet fired cannonballs, the explosives failed to penetrate Fort Sullivan's unfinished, yet thick, palmetto log walls.

The colonists brought artillery up to oppose any attempted crossing, and the landing was a failure, as was the naval cannonade of Fort Sullivan.

Dana was born at Fort Sullivan, in Eastport, Maine.

He served under Captain James McDonald in the battle of Fort Sullivan on 28 June 1776.

After 1866, Fort Sullivan was dismantled.

Fort Sullivan may refer to:

Fort Sullivan reportedly took its name circa March 1813.

In 1873, the Army ceased using and occupying Fort Sullivan.

In 1877, the government sold the property at Fort Sullivan.

Exhibits include the history of Fort Sullivan, the area sardine and ground fishing industries, local history and genealogy.