I would recommend checking first online their opening days, it changes depending on what time of the year it is!
We'll start with the parks for the smaller ones.
Located in Santa Pola, about 40 minutes from Pinoso. This is a theme park/fairground for all ages.
Avda. Zaragoza, s/n, 03130 Santa Pola, Alicante
Which translates as the children's world. Located on the port of Alicante, it has rides and games for all. It has bouncy castles, trampolines, simulator... Nothing big, but nice for the kids if you having a day out in Alicante.
Av. de Loring, s/n, 03001 Alicante
In Alicante. Rides for children of all ages. They also do trips, birthdays...
Calle Caja de Ahorros, s/n, 03016 Alicante
This fairground/park can be found in Benidorm.
Av. del Mediterráneo, 20, 03503 Benidorm, Alicante
Now we are going to move on to the bigger theme parks, suitable for all the family.
Terra Mitica is a big theme park on the outskirts of Benidorm. Over the years they have transformed this from a simple park to a massive theme park, with hotels, perfect for a family holiday.
Partida del Moralet, s/n, 03502 Benidorm, Alicante
Now on to water parks.
In Torrevieja. This water park is open June to August. It has water slides, swimming pools and places to eat and relax. Great for everyone!
Av. DelfinaViudes, s/n, 03183 Torrevieja, Alicante
In Rojales, not too far from Torrevieja itself. It is also a water park, with swimming pools, kids areas and slides.
Calle Nte, s/n, 03170 Rojales, Alicante
Aqualandia is a water park, much bigger than the ones listed above, can be found in Benidorm.
Sierra Helada, s/n, 03503 Benidorm, Alicante