The Question and Answer section for Island of the Blue Dolphins is a great resource to ask questions, find answers, and discuss the novel.
The ship that was supposed to arrange for her rescue sunk. According to Father Gonzales, there were no other available ships for the rescue.
Twenty-seven tribe members die in battle.
Karana turns back when sailing to Santa Catalina for two reasons. First, the canoe is too bog for her to handle by herself. Second, and most importantly, the canoe begins to leak.