Rosemary Island is a tropical island located somewhere in the New World. It is owned by Rosemary, and was given to her by her father, as a birthday gift. It has vast jungles, an indigenous population, parrots, dolphins and tropical fish in its warm waters, and beaches with white sparkling sand. It is mentioned that she is living alone on the island.
Rosemary Island was first mentioned by Islay, after the timeskip.
- The island is named after his owner.
- It is mentioned that the island is a summer typ.