Yes, you'll find most hotel bookings are fully refundable if cancelled before the hotel's cancellation deadline, which is often 24 or 48 hours before your arrival date. If you have a non-refundable reservation, you might be able to cancel it and get a refund within 24 hours of your booking. Add your dates and click on "Search", then you can use the "fully refundable" filter to get the best deals available near Petit-de-Grat Island.