Walk the Renaissance walls, visit the cathedral and MAEF archaeological museum, wander Sa Penya, dinner on Passeig de Vara de Rey.
Morning at Ses Salines Natural Park, afternoon on Es Cavallet or Ses Salines beach, sunset drinks in Ibiza Town.
Early ferry to Formentera, rent a bike, spend the day at Ses Illetes beach, return ferry in the evening.
Drive the west coast, boat tour or viewpoint stop at Es Vedrà, sunset at San Antonio's Sunset Strip.
Explore quieter northern villages and Las Dalias market, rest in the afternoon, then experience an Ibiza club night.