Grand Marina has a boat yard. Use it. Greg is a great yard manager. I use them for bottom paint, don't, repeat, do NOT use their rigger.
They use Petit Trinadad, I usually get a coat and a half, lasts two to three years.
Bottom scrub every quarter, we use Full House Diving, Bruce, 925-228-7136 $76.50 per visit plus zinc parts & labor, reliable, trustworthy, always on time.
I recommend reading all of the two pages of this Fleet 1 topics list, including this one:
http://c34.org/bbs/index.php/topic,1947.0.html Many of these questions have been posted, although maybe not as specifically as you've requested. Look around.
I look forward to getting down to the dock sometime in the next two months to say hi in person - my leg re-broke...