Yes, you'll find most hotel room reservations are fully refundable as long as you cancel before the hotel's cancellation deadline, which in most cases is within 24 or 48 hours of your check-in date. If your reservation is non-refundable, you may still be able to cancel and get a refund within a 24-hour period of your booking. Add your dates and click on "Search", then filter by "fully refundable" to get top deals close to Sunny Beach.