If you are staying in San Antonio then Ibiza Rocks is just a five minute walk from the West End and Sunset Strip. It won’t cost you any more than €10 if travelling by Taxi.
For those not staying in San Antonio, you can get a bus from most resorts on the island to the San Antonio Bus Station which is then around 10 minutes walk to Ibiza Rocks.
There is also a taxi rank just outside the hotel for when you are leaving.