Because park regulation prohibits anchoring on the reef, all activities require the use of buoys. In addition, all buoys have a unique code and geographically positioned for future maintenance. During the storm season, all buoys are removed to prevent coral damage from rope movement and they are re- installed in the tourist season, using GPS. Currently, there are 78 moorings around Surin. A density operating system was employed with the mooring buoy system. Since each buoy is designed to carry only one boat, the limited number of buoy is also limits number of visitors. Areas with higher conservation values have fewer buoys than areas provided for recreation.