They would have settled in and they would have wanted to know how much more of this magical land they were probably tempted to explore the new world.
Maybe they could have been tiered of waiting for him for along time. When this hapend they could have happened the would have goon curious and investigated other Islands around the area.
After John White left the colonist could have gone to Croatoan Island.If they would have gone to Croatoan Island they could have seen storms other Islands and other people that could maybe not be nice. Also without the proper ships maps and traveling suplies it could have been hard.