HI KerryM
went last year to Aquadream in
marmaris ( the one on the hill behind migros ) . Fantastic views and loads of water slides and wave pool . Had dinner there at restaurant and drinks at poolside bars would defo go again , think it was about 12 quid each to get in and you put money on a plastic card and anything left on the way out , you get back . We spent a full day ( 10 till about 5 ish ) and then dolmus back to paradise .
hope this helps
Dodgy