There is inexpensive and reliable daily bus service between all the districts and the hotel areas. Round-trip fare between hotels and downtown Oranjestad is US$ 2.30. (one-way US$ 1.25)
The main bus station is located in downtown Oranjestad across from the waterfront shops and restaurants. From here, one can very affordably travel to anywhere along the hotel stretch. Originally only popular with the locals, tourists are discovering that this is an inexpensive and efficient way to get around between the hotel/beach area and downtown.
More information can be found at www.arubus.com