As we've taken 33 trips to French Polynesia we've had the chance to use several different brands ... here is the one we've used for the last 2 decades .... This comes in Deet, no Deet and scentless. https://bugg.com/repellents/
I've uploaded a bunch of videos taken this last June aboard the Star Breeze ... lots of good info to glean from ...
https://boards.cruisecritic.com/topic/3034571-videos-about-the-windstar-star-breeze/#comment-68094369