Yes, you'll find most hotel reservations are fully refundable as long as you cancel before the hotel's cancellation deadline, which is often 24 or 48 hours before the scheduled arrival. If you have a non-refundable reservation, you may still be able to cancel and get a refund within a 24-hour period of booking. Add your dates and click on "Search", then filter by "fully refundable" to view the top deals on offer near Hakone-en Aquarium.