I'll second the Bull Frog. It is the best I have found and pretty water resistant. It is alcohol based so it will dry out your skin. I have oily skin and prefer the alcohol based sunblocks because they do no leave me feeling "greasy".
"When in command, command." -- Admiral Nimitz
Difference between a power boater and a sailor out on the water: A power boater is going some place special, a sailor is already there.
s/v Zotz 1981 Pearson 365 Ketch Hull #375