There are countless great restaurants in Ibiza, see below for some recommendations:
La Oliva
The Standard (this is a hotel, note this also has a nice rooftop bar)
Montesol (this is a hotel, note this also has a nice rooftop bar)
Aubergine
Sa Punta
La Paloma
Can Tixedo Art Cafe (filled with locals - a good sign! Tuna tartare is unreal)
Hostal La Torre (INCREDIBLE sunset)
Jondal
Finca La Plaza
Overall
Can Mimosa
Zuma
Ibiza Food Studio
Chidas Bar & Cantina
More by Cas Gasi
Yalla
Pamela’s at Pikes
Shanti
Monkey
Casa Maca
Giri Cafe
Carnesa
Es Boldado
Amalur
Zuma
Juntos House
Sa Capella
Can Pilot
Ses Boques
Casa Lhasa
Cas Pages
Pous des Lleo