Boat base is the most common and initial base that every origami enthusiast begins his/her creative endeavor. Many people have tried to add their innovation into this design. The below link is yet another version of origami boat which looks like a little origami pirate ship.
Go through the link and learn those folds to create an origami pirate ship of your own. You can add it to your origami collection or give it to your little one to play with.