Each yacht and motorboat featured on the website shows the number of guests, excluding captain and crew if applicable, that are legally licensed to travel on the boat during the day and the number allowed to sleep aboard. Some vessels are only licensed for 7, 8, 10 etc. The captain is responsible for the safety of your group and even if he wanted to, he is not allowed to carry more passengers than the license allows. The fines are too great and the consequences too severe to even contemplate breaking safety regulations. Therefore, should you require additional guests, the options are to either charter a larger boat or for groups between 12 and around 18, charter a tandem boat which can transport the extra guests while moving and be used for waters ports including water-skiing, wakeboarding etc. When the boats are stationary, the extra guests can be on the main boat.