Pontoon furniture, pontoon seating, marine carpet, & marine plywood. best place to find replacement pontoon parts and accessories. red vinyl, red marine vinyl. At everythingpontoon we offer marine plywood by the sheet or in quantities. home; boat seating. premium series pontoon seating. individual pontoon seats; front. This composite pontoon catamaran is versatile, so you can build the boat to fit your specifications. order the plan and the cat 20 kit at bateau..