Hotel Advise (Istanbul)

I am looking for an all inclusive hotel for 4 people around Fethiye,Antalya or İzmir. Especially in Fethiye. If possible adults only hotels will be perfect. I muself not that into summer vacations. But this will be our last vacation as a family. So any recommendations would be just fine. My budget is about 2.000$. Thanks in advance. By the way the beach is really important... We want to swim. We re planning to go Protected content .