ISTANBUL AIRPORT TO ANTALYA TAXI - AN OVERVIEW

Oooh pricey… I'm just cheated from the taxi driver… lol… He charged me three hundred TL from Sultan Ahmet to Umraniye… He used crossing tunnel from european to asian side… his taxi is organization taxi (blue one)… bla bla bla… The hotel employees explained that Ordinarily about 100 TL. Who is right?I is going to be touring from Taksim