Season Check the Hunting and Trapping in Maryland Guide for seasons for specific waterfowl. Check the Hunting and Trapping in Maryland Guide for seasons and bag limits. The islands are located approximately two miles from Havre de Grace. A boat is required to reach the islands. Beware of severe wind, weather and related boating hazards.
Shallow waters limit boat size on low tide.
Check tide charts. The sand islands are on the edge of the Susquehanna Flats National Wildlife Refuge, which have abundant bay grasses providing waterfowl and wildlife habitat. This estuary is located at the head of the Chesapeake Bay, its largest river water source. The City of Havre de Grace provides several historical sites and museums, including the Maritime Museum and Decoy Museum. The Susquehanna Flats was a prime area for hunting canvasbacks in the United States, which peaked in the early 1900's through the 1930's.