Vivos -- cushy underground habitats for $10m+ each.
The website has a clock showing "931 days, 9 hours, 51 minutes, 21 seconds remaining." Until December 21, 2012 but they don't say that.
Operation Aquarius used to have a website at operationaquarius.com. Gone now. This was a group of naval vets who purchased three decommissioned military submarines, to outfit them as underwater survival shelters. $1m per seat was the going rate, and they had already sold out their first sub.