How much money would i need to bring to Marmaris for two weeks all inclusive at the end of July ?

im 18 and woundering how much money i would need to bring as it is my first holiday without my parents and with my mates, i would like to go out to the clubs most night but drink in the hotel first and go on a few tours eg boat trips water parks ect .. i will be greatful for any answers and someone who knows alot about it ;) tar