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Wreck of HMS Sealion

Shipwreck site

Position
About 55.2° N, 2.1° E (within about 10 km)
Sank
—
Cause
—
Depth
—

Protection status

Location generalised to protect a war grave

The position shown is generalised to within about 10 km. The exact position is not published.

A military vessel lost in war. Wrecks lost in war are treated as war graves.

This wreck may be the last resting place of those who died aboard. Please treat it with respect.

How this was decided: Seadar's protection rules, from the sources we hold, confidence 85%. When in doubt, Seadar generalises the position.

HMS Sealion was a second-batch S-class submarine built during the 1930s for the Royal Navy. Completed in 1934, the boat fought in the Second World War.

History from Wikipedia, licensed CC BY-SA.

About this wreck

HMS Sealion is a recorded shipwreck site. Seadar shows wreck locations alongside live ship traffic, free, from Wikidata and public hydrographic records.

Other wrecks named HMS Sealion

These wreck sites share the name HMS Sealion. Until September 2026 they shared one web address; each now has its own page.

WreckLocationLostPosition
HMS SealionUnited Kingdom—55.4° N, 5.1° W

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