The hike up to Nang Yuan viewpoint is very steep with a lot of stairs and requires a good level of fitness, as well as the ability to climb on rocks. It is recommended to wear shoes for this part of the tour The boats don't have fixed roofs so please bring a waterproof bag for protection It is a flexible private tour, and possibly some spots cannot be visited if the customer decides to spend longer at other spots Tour schedules might differ due to weather and sea conditions The tour will continue in the rain if conditions are safe, and no refund will be granted If conditions are determined to be unsafe, the tour will be canceled and rescheduled, or get a full refund The local Thai captain speaks very basic English Blacktip reef sharks and green turtle sightings are likely, but they cannot be guaranteed In case the waves are too big at west side, we might have to leave from Hin Wong Bay at east side.