The condition of coastal water in Sironjong island at the time of this research is as follow: 7 meter of sea brightness, 30 percentile salinity, pH 8, 28 degree Celcius of air temperature, and 30 degree Celcius of water surface temperature. While the condition at Sikuai island is as follow: 5 meters of sea brightness, 30 percentile of salinity, pH 7, and 28 degree Celcius of water surface temperature. This differences are assumed because the Sikuai island is a vacation spot and upon its land built resort hotels. Results show that manta-tow lives in both islands' waters, which means coral recovery live equal to 11-30% category II.