Yes, most hotel bookings are fully refundable as long as you cancel before the hotel's cancellation deadline, which is often 24 or 48 hours before your arrival date. If your reservation is non-refundable, you might be able to cancel it and get a refund within a 24-hour period of booking. Plug in your dates, click on "Search", then use the "fully refundable" filter to get top deals close to Grand Popo Beach.