This is such an amazing place! And Rafa was extremely helpful and flexible with both check in and check out. My flight was delayed due to a strike, and my daughter was able to check in while I was still in transit. Also, we were able to keep our luggage after check out, so that we could enjoy the beach a little more before our flight.
We had six people staying at the flat, and it was definitely comfortable and large enough for all of us. Most nights we cooked dinner in the well-stocked kitchen and ate it on the patio, which made it feel like we had a real home in El Cabañal. We would then go out for dessert and after dinner drinks, usually at Llimona down the street. There are many excellent cafes and restaurants nearby, and Rafa even provides a booklet with a list of his favorite places to try.
The flat is also ideally located — close to the beach and close to transportation to downtown. Once you figure out how to buy metro tickets, you can get pretty much anywhere.
I would recommend this place to anyone considering a stay in El Cabañal/Valencia.