Save Up To 25% Off on 3 or 4 Nights Booking at Hard Rock Hotel Ibiza, Spain. Save up 25% with our selection of specials and packages that will make your stay even better. T&C: Offer is valid for 3 or 4 nights. Booking from now until September 27th, 2015. Traveling from now until September 27th, 2015. Book Now.