Honolulu newspaper MidWeek is reporting that Jurassic World is going to film on both Oahu and Kauai in Hawaii. The report says:
“Pre-production is under way for Jurassic Park 4, scheduled to begin filming on Oahu for four weeks in April, followed by two weeks on Kauai…”
The original Jurassic Park also filmed on both Oahu and Kauai.