WikiSea is a crowd-sourced knowledgebase mainly about [[:Category:Catamaran|catamarans]], [[:Category:MotorYacht|motor yachts]], [[:Category:Sailboat|sailboats]], [[:Category:SuperYacht|super yachts]] and [[:Category:Trawler|trawlers]].
To create or revise content you must register as a Member. [[Special:UserLogin|Registering]] is easy, and requires a minimal amount of information.
Content is organized in a web of categories. Any topic can belong to more than one category.