All housing would have been situated in the Sea of Clouds. Flying would be enabled from the get go with multiple islands being in each instance, with each island being equal to a house. The larger the house the larger the island.

If a player doesn't log in withing 180 days Bismark eats the island. If you have retainers they valiently try to hold it off but only manage to get away with your non-unique items and some gil.