| submarine yacht | @nautilusmaker | oceanic business alliance™ | private submarines | submarine yachting | ocean colonization technology | advanced cement composite technology | nautilusmaker® | cost private submarine • USD 336 per cubic meter |
| cost private submarine • USD 336 per cubic meter |
| the submarine in the picture is the room and floor equivalent of a 68 square meter apartment | it comes at a hull building cost of USD 98K |