Antalya Winter

Hi Guys
My sister is traveling to Antalya next month with Thomas cook, staying at the Sheraton Voyager! Has anybody stayed at this hotel, or been to Antalya in the winter? Is there much to do? Are there plenty of bars and restaurants etc open??
Many Thanks
Ellie
My sister is traveling to Antalya next month with Thomas cook, staying at the Sheraton Voyager! Has anybody stayed at this hotel, or been to Antalya in the winter? Is there much to do? Are there plenty of bars and restaurants etc open??
Many Thanks
Ellie