We used the local taxi, we got the number from manos they are english speaking and have a minbus type car. It was 10 euros for 4 of us to go to Qausada. the poeple who are key holders they will do taxi service a lot cheaper. They do runs from alicante airport 30 euros each way. They are called Tony and Kati Pepper, i can give you their number if you message me.
Vanessa