I'm not sure about you, but my Treasure Isle island is brimming with construction projects. The newest one that I'm adding to my already lengthy 'To Do' list is the new Treasure Isle Dragon Sailboat.
When you login to the game, you'll get a pop-up notifying you about the Dragon Sailboat, and you'll have to option to place it in the water or put it into storage. Once you have the docks for the boat in place, you will spend a total 20 energy building the frame:
Create Frame (5 Energy)
Build Support (5 Energy)
Mount Posts (5 Energy)
Clear Deck (5 Energy)