The dolphin show is sold as a full day excursion on Mondays, Wednesdays and Fridays. Pick up time is 10:10. Journey time is approximately one hour. 

You can find full info on their website

If you are looking at swimming with dolphins, this is the nearest experience:

Currently  no dolphin kept in dolphinariums or zoos in Spain has been granted permission by CITES ( Convention on international trade in endangered species of wild fauna and flora) to carry out activities in which it is possible to swim with them.

Excursions including Marineland: 

Prices for 2023

Marineland all Day

Adult 49,00€ / Child 3-12 y.o.  33€ 

Days: Mondays and Fridays

Children up to 2 years of age go free