how about something like this .......
Posted by: pilotwingz on Mar-29-11 10:49 PM (EST)
-- Last Updated: Mar-29-11 11:00 PM EST --
...... either a 3.5 or 5 gal. bucket (a good quality bucket) fitted into the stern deck and put this lid on it ??
A 3.5 gal. is shorter than the 5 gal.
http://www.kk.org/cooltools/archives/002915.php