Welcome to absolutely free plans, in this section you will find free boat building plans including accessories and construction cabin cruiser (dolphin 15′). Free plans to build a classic 25 foot cabin cruiser boat. this beautiful project could be a sportfisher, leisure boat, or utitlity craft.. Discover free woodworking plans and projects for wooden cabin cruiser boat. start your next project for wooden cabin cruiser boat with one of our many woodworking plans..