Illa Fantasia Water Park - Barcelona Head to Illa Fantasia, the biggest water park in Barcelona, for a day of watery fun and games in the Spanish sun! Fun andamp; Relaxation No matter your age, there is something to suit everyone at Illa Fantasia, with 3 huge pools, over 20 water slides, mini golf and an excellent safe-play area for children complete with pirate ship and water cannons! If relaxation is on your mind, there is something for you too. Slip away and enjoy the superb recreation areas where you can read a book, sip a cool drink or slap-on some oil and work on your tan. Eating andamp; Drinking Unlike other parks, the Illa Fantasia includes a large picnic and barbecue area to which you\'re welcome to bring your own food and drink for a fun family picnic. Or make the most of the restaurants and cafes offering a wide range of cuisine to suit even the fussiest eater. With an on-site supermarket for those last-minute items and plenty of free parking, a day out at Illa Fantasia is always a stress-free, fun occasion. Free Transport! During the summer months, you can hop on a FREE shuttle bus from the centre of Barcelona to Illa Fantasia so you donandrsquo;t even have to drive!