Harmony Scupper Hole Plugs - $8.95

Surprise: you've got holes in your boat. Don't worry though, they're supposed to be there 'cause they help drain water out. Occasionally though, you're going to need to plug things up, and the Scupper Hole Plugs are just the tools for the job. Sized to fit scupper holes from 1 inch to 1' inches, these plugs keep water from rushing in from below. - $8.95