North American East Coast
This is the battleground of Operation Drumbeat in 1942 and the continued German U-boat strikes throughout the war.
You can also select a better map of the boats lost of Cape Hatteras.
The boats listed in white are the ones scuttled post-war in these waters.
The red mark off Cape Cod is extremely doubtful but interesting, the crew in question claim they have found a type XI U-cruiser buried in the sands (The US Navy insists this is the U-234 scuttled there in 1947). That project is called CA-35 but no one has heard anything from that project in years now and one can safely assume nothing is there to be found regarding the XI U-cruisers.
Please note
This map is not very accurate and some positions may be a bit off. This should give a very good view of the US East Coast boat losses in WWII though. These are all the boats I know of located in these waters.