It's a small pool (you won't be swimming laps in it), three-step ladder gets you into it. It's about 3 1/2 to 4 feet deep. There is a swim-up bar with several seats, and several tables to sit/stand at.
Basically the "pool" is large enough to provide water around the "swim" up bar and that is it. Waist high. Small (maybe 10' by 30'?). Tables and bar "stools". There is a ladder or you can sit on the side and ease yourself in.
The pool is pretty small. It has built in bar stools for a swim up bar (about 5 or six) and a few built in tables to stand around and put your drink on. There is a standard pool ladder to get in and out, but its not very deep maybe 4 to 4 1/2 feet so you can easily hop in or out off of the edge (not very graceful looking sometimes when your naked though). Its great for cooling off, getting a drink, socializing, etc.
As small as the pool is, you can still put a floatie in it (if not too crowded)
Please don't put a floatie in the pool at TI, unless you're the only couple over there. Trust me...it's close quarters and although we are all naked, none of us wants an eye level view of anyone else's junk on a floatie. We witnessed this last year and it was actually quite awkward.
I totally disagree about not being able to enjoy a nice doze on the floatie....my husband enjoys sitting at the bar and keeping my floatie from floating away. One always has the option to avert their eyes just as I do every time someone walks by or climbs in and out of the pool.
Just left the island after our first time and I have to say it's wonderful! I'm not sure a volleyball net would work though,not quite enough room. As for the floatie, I say go for it, everyone there was very laid back just make sure you stay respectable.