Reusam Island has recreational potential, because of these attractions offer the beauty of natural scenery. Reusam island has an area of 23.6 ha and is located in the Indian Ocean. The island is located in the district of Aceh Jaya, which has a distance of 17 kilometers from the city of Banda Aceh. Reusam Island while the distance to the city center Calang is ± 2000 meters. The tourists from various regions continue to arrive to visit Reusam island. Tourists using sea transport to reach the island. The time needed to reach the island from the port later than 15 minutes. To support the tourist activities on the island, it needs to be designed Cottages. Cottages become an indispensable tool for travelers based on the consideration that an island tourist sites. It is also in line with the main purpose of designing coastal resorts that try to offer a natural potential that existed at the site. In connection with the above, the area of Reusam Island necessary to study the characteristics of islands and beaches. These factors one of which is influenced by the wave (wave). Location designing is an island surrounded by the sea so as to draft the tourist area of the island beaches with a case study design reCottages will present the characteristics of ocean waves. Keywords: Reusam Island, Cottages, Waves