Guishan Island, also known as Turtle Island, is a popular floating island just off the coast of Yilan in northeastern Taiwan. With its unique shape resembling a turtle and stunning natural beauty, it's a must-visit destination for nature lovers and adventure seekers.

Many people love to go here for whale-watching opportunities and exploring its ancient temples, there's plenty to explore on this small island. Don't forget to book your boat tour in advance and usually people do it in a day.