Grand Sea Discovery

Grand Sea Discovery Co., Ltd. is a Koh Samui based tour business that has been established since 1992. We operate speed boat tours and special charters with routes from Koh Samui to the nearby islands.
Grand Sea Discovery Co., Ltd. is a Koh Samui based tour business that has been established since 1992. We operate speed boat tours and special charters with routes from Koh Samui to the nearby islands.