M 451

Latitude: 59 0.0000

Longitude: 24 0.0000

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Max depth: 32,7 m

Water: Fresh / Brackish

Comment: M 451 was a WW2 German Navy minesweeper that sank 31st January 1944 south of Mäkiluoto naval fortress due to navigational error. The ship hit rocks and sank quickly. The crew was rescued by the Finnish Navy. The ship lies at 32 m depth at the military protection zone of Mäkiluoto fortress and requiring entry permission from the navy. Diving this ship requires special permission from the Military Museum of Finland. Our club has all these permissions.

Dives at this site

Nr. Date Depth Duration Location
1132 04-08-2026 28,4 m 45 min M 451, Porkkalanniemi, Finland
1022 29-07-2024 29,4 m 40 min M 451, Porkkala, Finland
926 02-08-2023 32,7 m 47 min M 451, Porkkalanniemi, Finland
923 14-06-2023 32,7 m 50 min M 451, Helsinki, Finland
831 02-10-2021 28,4 m 39 min M 451, Helsinki, Finland
830 02-10-2021 32,5 m 91 min M 451, Helsinki, Finland
824 12-08-2021 25,5 m 38 min M 451, Porkkala, Finland
733 17-08-2019 32,0 m 45 min M 451, Porkkalanniemi, Finland