There are 2 options. 1) with others or 2) private. Botha are a lot cheaper than taxis.
We Go from Dalaman to Hisaronu and the Resorthoppa busses are clean and reliable.
We always book the shuttle bus through travelrepublic, it's about £7-50 each and very good, drops you off outside your hotel, used it many times and it's never let us down.
Thanks Jrtv, unfortunately my wife is disabled and cannot get up coach steps so I have to pay for expensive taxi transfers instead of using the coach transfer.