Listed as “Island – Angra Dos Reis, Rio De Janeiro, Brazil.”
Ilha Do Japão is a 6 acre private island on the coast of Brazil near Rio de Janeiro. The island can accommodate 12 guests in a modern luxury villa (main house), 3 stylish waterfront bungalows, and one boathouse.
For more information visit the VRBO listing for this private island. (I’ve also found this Vrbo listing and this Vrbo listing for the same island.)