article_snippet.sent: It was quite a tumble for the world's top island.
article_snippet.sent: It's hard to say, as winners change from year to year based on feedback from travelers," said TripAdvisor spokeswoman Julie Cassetina.
article_snippet.sent: Similar to last year and 2013, winning islands were determined using an algorithm that looked at the quality and quantity of traveler reviews and opinions for hotels, attractions and restaurants on each island gathered during a 12-month period.
article_snippet.sent: 30 envy-inducing island photos .
article_snippet.sent: Only two more of 2014's top 10 islands appear on this year's global list.
article_snippet.sent: Ko Tao, Thailand, gained five spots this year, moving up from No. 10 last year, while Bora Bora dropped from No. 3 last year to rank ninth.
article_snippet.sent: Here are the world's top 10 islands for 2015: .
article_snippet.sent: In addition to the global list, TripAdvisor also ranks islands regionally.
article_snippet.sent: Here are the top 10 U.S. islands: .
highlights_snippet.sent: Maui ranks first on the top 10 islands list for the United States .