Whilst the Golden Taurus Park Hotel in Pineda de Mar, on the Costa del Maresme, may not have the biggest swimming pool it does cater very well by having 6 pools in all, 5 outside and 1 indoors. Also right outside, across the road and railway line, is the Mediterranean which itself is pretty big.

It's sister hotel, the Golden Bahia de Tossa, in Tossa de Mar, on the Costa Brava is also blessed with 4 pools ( 3 outside & 1 indoors).

Photos of both can be seen in the attached -

http://www.goldenhotels.com/en/

In my experience, the majority of hotels that I've stayed in/seen in Spain have had decent size pools. In the months that I visit nowadays there is always plenty of room in the grounds, which surround the large pool, of the hotel I use and getting a sunbed is not a problem.

That's an enormous question

What do you class a big? and whereabouts in Spain do you mean?

You can always swim in the sea if you want a lot of space

Most hotels have decent sized pools as they are catering to hundreds of hotel guests

Any hotel I've been to in Salou had big pools, so does Palma Nova

and so does Benidorm. take your pick

generally the bigger the hotel, the bigger the pool will be

It depends which area of Spain you want to go to but I would say every hotel has a swimming pool of reasonable sizes, check the holiday brochures for the details.

Well, there's the whole Mediterranean, and the Atlantic Ocean, as well.

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