Check the different neighborhoods for the predominant sort of folks who live in those neighborhoods and then go to gatherings in those neighborhoods to meet folks.
I had a wonderful childhood filled with adventures like jumping off waterfalls, climbing volcanoes and surfing in the delightful Pacific.
You also had more bikini options than underwear options.
A Maui girl has an ass-out, no-shame bikini collection.
I work in the Hospitality industry and do massage on the side if thats a factor...into surfing. Pick the island which has the best surf since a perfect wave is about as hard to find as a perfect guy.
Actually, I don't think either one exists but the waves are most likely to show up in certain areas.