HMHS Britannic (Kea, permit-only guided dive)
HMHS Britannic, sister ship of the Titanic, was a hospital ship sunk by a mine in 1916; it lies in the Kea Channel, found by Cousteau's team in 1975. Since June 2022 it is part of the Kea Underwater Historic Site and can be dived only on guided, non-penetration dives with a licensed Greek centre, at 84–118 m: a deep technical dive with line, decompression, possible strong current and boat traffic.
depth: 84–118 m