Just one step and you can create vinyl lettering that works great on a boat. this design tool is tailored to make the task easy to do.. The possibilities are simply endless with this online boat name tool we have created. enter your favorite boat name and design the graphic to your liking!. Custom boat lettering kits: we custom make high quality marine grade lettering for your boat or pwc. boat letters can be made in 30+ colors and 150+ different typestyles..