The local Thai captain speaks very basic English It takes about 1 hour one-way to reach Phang Nga Bay, where the stops are located. After visiting the stops, it takes about 1 hour to reach Koh Yao Yai or Noi The Panak Cave is slippery and has a narrow access. This can only be visited by fit people. It is a dark cave, which might be not comfortable for claustrophobic people. The duration of the tour is the maximum amount of hours. If you are spending less time than usual at each stop, the tour might finish earlier Rain in Southern Thailand is unpredictable and can happen anytime The tour will continue in the rain if conditions are safe, and no refund will be granted Tour schedules might differ due to weather and sea conditions which is out of the control of the supplier If conditions are determined to be unsafe, the tour will be canceled and you can reschedule or get a full refund The Andaman Sea can be rough with big waves, be careful if you have a sensitive stomach