You might be able to pick up a really cheap (even free) old roof pod carrier to use for wet gear storage. Drill a hole or two for drainage. Should be suitable, as it would have mounting hardware, as well as lockable...??

: Have not decided but I am thinking six boats would be plenty. Most likely I
: will rarely have more than 3-4 boats. Heck most times it will probably
: just be one, mine. But I can see being the shuttle and since most
: cars/trucks won't carry more than six people anyway. So that seems like a
: reasonable number.

: Also thinking about storage for wet PDF's and clothes would be nice. Rack for
: paddles.... what else??