Went last week, its only 30 minutes to drive from Condado, head for Alicante and turn off the motorway at the turning after Murcia Central, its by the big El Corte Ingles/Hipporcor new centre.
With the discount voucher its 13 Euros per adult and you can come back the next day for free.
You can take in a picnic and cool box, they have picnic areas inside. They also have bars and food outlets.
The parking is 3 Euro and you will need to rent a rubber ring for some of the slides, these are 3 euros for a single and 5 Euros for a double. There is also a 1 Euro deposit, but remember to keep your receipt or you wont get this deposit back.
There are not many slides, 2 regular slides, 2 slides for rubber rings and 2 Adult/Kamikaze slides, there is also a small lazy river and a couple of shallow play pools. The zoo is included and they have a falcon show, sealion show and different feeding times for all the animals.
You can swim with the sealions for 20 Euros or have a photo with a sealion kissing you for 5 Euros.