Europe
S-7 (Russian)(Baltic Sea)
Molch Midget Sub (Stavanger, Norway 55 ft.)
U-74 (German)(Cartegene, Spain)
U-171 (German)(Lorient, France - 130 ft.)
U-263 (German)(La Rochelle, France - 95 ft.)
U-251 (German)(SE Laeso, Norway - 100 ft)
U-260 (German)(Union Hall, Ireland - 150 ft.)
U-711 (German)(Harstad, Norway - 150 ft.)
U-1277 (German)(Oporto, Portugal - 100 ft.)
Possible Sites
U-296 (German)(Portstewart, Ireland ?)
U-320 (German)(Bergen, Norway ?)
U-390 (German)(France ?)
U-741 (German)(France ?)
U-1053 (German)(Bergen, Norway ?)
North America
G-1 (US)(Rhode Island - 105 ft.)
G-2 (US)(Connecticut - 75 ft.)
S-5 (US)(Delaware - 170 ft.)
L-8 (US)(Rhode Island - 110 ft.)
S-16 (US)(Key West - 250 ft.)
S-21 (US)(Maine - 160 ft.)
S-37 (US)(California - 40 ft.)
S-49 (US)(Maryland - 125 ft.)
U-85 (German)(North Carolina - 85 ft.)
UB-88 (German)(California)
UC-97 (German)(Lake Michigan - 250 ft.)
SS-164 Bass (US)(Rhode Island - 155 ft.)
SS-175 Tarpon (US)(North Carolina - 145 ft.)
U-215 (German)(Massachusetts - 220 ft.)
SS-324 Blenny (US)(Maryland - 70 ft.)
U-352 (German)(North Carolina - 115 ft.)
SS-404 Spikefish (US)(Rhode Island - 255 ft.)
U-701 (German)(North Carolina - 110 ft.)
U-853 (German)(Block Island - 130 ft.)
U-869 (German)(New Jersey - 230 ft.)
U-1105 (German)(Maryland - 85 ft.)
U-2513 (German)(Dry Tortugas - 215 ft.)
U-? (German)(Prince Edward Island, Canada - 95 ft.)
Pacific Ocean
I-1 (Japanese)(Solomons)
I-123 (Japanese)(Guadalcanal)