If you go to YS Falls you could always consider making a stop at the Appleton Rum Factory and taking that tour they offer. Never know when you'll get back that way again. However you may not make it back in time for sunset - depends when you have breakfast and how long you stay at YS. Blue Hole is in Brighton - we hope to visit next year and check that out. I hear there is some volleyball - restaurant - pool - bar

https://www.youtube.com/watch?v=C-ZgRa-RRak