An Island made from plastic bottles by Richart Sowa

A floating artificial island built in Mexico by British artist Richart "Rishi" Sowa. 
He's first Island was destroyed by a hurricane in 2005; a replacement, Joyxee Island, has been open for tours since 2008.
In the waters of Isla Mujeres, the "Island of Women", near Cancun. It opened for tours in August, 2008.