I've just returned from a week staying at the Carpe Diem and I can't praise it too highly. Peter and Inge are great hosts, friendly, helpful, informative, hard working, the sort of people you would design to run a hotel and you pray don't sell up and move on. You do honestly feel that you're a very welcome guest that's staying in their home. The bedrooms all have very effective aircon (what a boon!) and are scrupulously clean if relatively basic (albeit the lack of frills in the bedrooms eg no tea/coffee maker, no fridge, is reflected in the price and the hotel offers great all-round value for money).
Even if you don't stay at Carpe Diem but choose another hotel in the area then do go and eat there one evening as the food is fabulous. Peter is the chef and the main courses are all beautifully presented and cater for all tastes. Inge's puddings are also mouth watering and belt busting. Eat there and you won't leave hungry or disappointed or too much out of pocket.
Miami Platja's beaches are excellent and whilst the town itself is quite plain it is a good base for exploring that part of Spain and Barcelona is only a 90 min train ride away.
So, overall, if you're looking for good value, great food, attentive friendly hosts and a base for either a beach holiday or to drive around the area between Barcelona and Valencia, then I doubt you can do better than the Carpe Diem. I shall definitely go back.
This review is the subjective opinion of a TripAdvisor member and not of TripAdvisor LLC