[Capt Chuck]

Try putting some food coloring in a gallon jug with water and pour separatly each deck drain, forward deck storage compartment,anchor locker and forward fish box drain. If it's salt, do you have a seacock for a wash down system?. Wait a day between each and maybe you can isolate the leak.I have a 78 OB 23' and the deck drains came from the factory routed out the transom. I have never had "wet Feet" except a little will back up when at anchor with a couple of fat fisherman like me in the back.
Capt Chuck (shellback)

If she asks "how much did it cost?" LIE!