I'm pretty sure you can get a "topless discount" on any local tour, but only on days that end in Y!
BTW, I've only been to the split 3 times and saw topless women 2 x's and totally nude dude jumping off the diving board x 1. No one seemed offended by any of them even the quite ugly, "must have been some really cold water" (to quote my wife) dude who paraded around naked and jumped off the board twice I guess as a joke or dare.
Only my 12 y/o and 16 y/o sons were overly excited about the topless girls. Didn't bother us nor did it seem to bother anyone else.
My only suggestion is.....WAIT TILL JULY TO GO! We'll be there then:)
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Future full time Belizeans
Tommy & Sonia Blackledge
Magee, MS 601-849-1918