
Inhabitable floating island…
The original Spiral Island was (as its successor will be) built upon a floating collection used plastic bottles, all netted together to support a bamboo and plywood structure above. Located in Mexico, the original was 66 by 54 feet and was able to support full-sized mangroves to provide shade and privacy, yet also able to be moved from place to place by its creator as needed with a simple motorized system (via Man (Re)Builds Mexican Island Paradise on 250,000 Recycled Floating Bottles | Ecoble)