A number of useful tips and ideas here. I'm very budget conscious......... In reasonable conditions I'd rather do my own bottom than pay someone. With a multihull that can be dried out, much of this really doesn't apply: https://theboatgalley.com/bottom-cleaning/ (https://theboatgalley.com/bottom-cleaning/)
H.W.
I've read carolyn's stuff for a LONG time- here's a comment I made
Excellent article. Last time I dove and scraped the bottom of my boat was actually IN Boot Key Harbor, in 1983- 35 foot trimaran- Usually I beached, waited for tide, turn around and did other side next day. In Texas now and not enough tide