Yes! You'll find that most room reservations are refundable if you cancel prior to the hotel's cancellation deadline, which in most cases is within 24 or 48 hours of the scheduled arrival. If you have a reservation that's non-refundable, it may still be possible to cancel it and receive a refund within 24 hours of booking. Enter your dates, click on "Search", then you can use the "fully refundable" filter to get top deals close to Ko Similan National Park.