Havre de Grace Seaplane Base is a privately owned, public-use seaplane base located one nautical mile (2 km) east of the central business district of Havre de Grace, a city in Harford County, Maryland, United States. It is located on the west side of Chesapeake Bay.

Facilities and aircraft

The publicly-used Seaplane Base is located at the mouth of the Chesapeake Bay, on the Susquehanna River. Pilots land aircraft on the water then taxi to the loading dock. The floating airport includes a docking and storage facility for aircraft, similar to a land-based terminal. Havre de Grace Seaplane Base covers an area of 2 acre and has two seaplane landing areas designated N/S and E/W, each measuring 8,000 x 200 ft (2,438 x 61 m). For the 12-month period ending March 24, 2023, the airport had 30 general aviation aircraft operations.