BREAKAGE DEPOSIT NON REFUNDABLE/NO COMMUNICATION

I booked a 2 night stay at BellaVida Ocean Cottage through Safari from the 19th - 21st Feb. I was asked to make an upfront refundable breakage deposit of R1500 and was told that it is refundable no later than 7 days after departure. We picked up the keys to the cottage on the day of arrival from a nearby cafe' and also upon departure , left the keys there for pick up. We did not meet any staff. It had been almost 2 weeks and i didn't receive any news about my refund. I called the owner (MINA FISCHER) to enquire and she it wont be refundable due to the bath towels being stained badly, infact the damage will be costing more than R1500. I found this to be ridiculous as we had hardly used the towels and also carried our own. When I asked her why weren't we notified about the damage as soon as it was detected, she told me that she is a cancer patient and is undergoing Chemo and I clearly dont know what that is and that she was going to be contacting me in her own time. I AM UTTERLY DISGUSTED WITH HER BEHAVIOUR AND AM DEMANDING MY REFUND BACK !!! We certainly didn't cause the damage nor where we informed about it upon inspection.