In a world of on-demand everything, why can’t boaters get a cold beer or sandwich delivered at sea? Once upon a time, floating stores answered VHF calls with popsicles and cigarettes. Today? You’re on your own. This humorous and nostalgic column floats a serious idea: revive mobile mercantile boats for modern mariners. Because, really—if we can summon sushi by drone on land, why not at anchor too?