City in the Sea (1965) [BluRay] [1080p] [YTS] [YIFY] Set on the Cornish coast in 1903, the film features a group of people discovering an underwater society of smugglers who never age living in a lost underwater city along with their gill-man slaves.
The plot concerns the discovery of a lost city beneath the sea off the coast of Cornwall. Price is the captain overseeing a group of sailors who have lived there for more than a century where the peculiar mix of gases has allowed them to extend their lifespan.