Cancellation Policy: Check here to agree to the following terms and conditions: 24-hour notice is required for change or cancellation, 72 hours for groups of six or more passengers. 100% penalty charge strictly enforced. All customers are required to sign a liability release prior to taking the tour. Weight limit is 275lb on all tours. Tours run rain or shine. All guests please come prepared based on the "What to Wear and Bring" info tab. We appreciate your reservation very much...mahalo and aloha!