In Continental Shelf I, known as Conshelf I, two divers, Falco and Wesly lived in a watertight steel cylinder, Diogenes, for a week at a depth of 37 feet and work at depths to 80 feet.

In the Conshelf II stage. Falco, Wesly, cook Pierre Guilbert, marine biologists Raymond Vaissiere and Pierre Vanomi lived in the Starfish House for a month at 33 feet and work at depths to 60 feet. Raymond Kientzy and Andre Portelatine spent a week living in Deep Cabin at 82 feet and work at depths to 160 feet.

In the Conshelf III stage, six men, Andre Laban, physicist Jacques Roillet, divers Raymond Coll, Yves Omer, Christian Bownia and cameraman Philippe Cousteau, lived in a sphere at 325 feet for 27 days. They were not able to speak due to the high levels of helium, however they were able to work with no harmful effects.