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