A stove with VolksCruiser written all over it...

Stoves for boats are silly expensive. Not only do they cost more than they should, most of them don't work all that well either.

Here's a better and more affordable than most single burner alcohol stove...

It costs over $250...

While this beer can stove costs pretty much zip.


 
How To Turn A Beer Can Into The Only Camping Stove You'll Ever Need from Tom Allen on Vimeo.

Of course, you're going to want to come up with a means to adapt one to the rigors of being on a boat but that's hardly rocket science is it?