The wind blows most of the time but is usually not strong enough to disrupt activities. I kept my video camera batteries charged with a 20 watt solar panel hung off the balcony. Most construction wood is brought from the mainland. They use a hardwood from the Belize forest. Some of our skin diving buddies.
Solar showers are available that use slightly saline well water.
Drinking water was completely filtered and I don't believe anyone got sick. The island is managed by Jim Schofield. Jim has responsibility for upkeep of the structures, re-roofing's, etc. He's a comic and fun to be around. The island is built from coral rubble and sand.