Buses leave from Ciudad de Ibiza every 15 minutes; a one-way fare costs 2€.
The tourist information office is at Passeig de Ses Fonts (tel. 97-134-33-63). It's open May to October Monday to Friday 9:30am to 8pm, and Saturday and Sunday 9:30am to 1pm. Off-season hours are Monday to Friday 9:30am to 2:30pm and Saturday 9am to 1pm.