1 🌊 Watercity WaterparkWater park

One of the area's go-to family days out near Kokkini Hani — book ahead in school holidays.
The family days out that actually matter in Crete — water parks, theme parks, zoos and aquariums near the stays we rate, with tickets and the closest family hotels for each, scored for toddlers, kids and teens.
Last updated: August 2026

One of the area's go-to family days out near Kokkini Hani — book ahead in school holidays.


Cretaquarium, also known as Thalassocosmos, is a public aquarium located 15 km east of Heraklion near the town of Gournes in Crete, Greece. It's a straightforward aquarium visit if you're looking for a rainy-day activity or something water-focused during your holiday in the area.
Our three highest family-fit scores in Crete — see the full ranked guide for all 10.
★ 8.6Best for young kids and families with mixed ages. Six age-appropriate waterslides (Amazing Splashes race slides, Aquatube enclosed slide), toddler splash zone, heated pools, playground, beach access, supervised childcare, and multiple sports facilities create an outstanding multi-activity…
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★ 9.0Best for young kids and toddlers. Kingdom of Poseidon Aqua Park with multiple slides (Aqua Tower, Free Fall), children's play area, water playground, kids' club by age, beach, sports facilities, and daytime/evening entertainment create an exceptional, purpose-built experience for 4–11-year-olds.
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★ 9.2Best for young kids and families with small children. Heated baby pool, zero-entry lagoon pool, kids' club accepting ages 4–17 (so babies in supervised care), and complimentary babysitting mean very young children are well catered for; the private beach and calm luxury setting support good nap…
Check availability →Watercity Waterpark is the standout water park for families in Crete — it's the closest big splash day out to Arina Beach Resort (2.4 km).
Our highest family-fit scores in Crete go to Grecotel Creta Palace, Grecotel Marine Palace & Aqua Park, Grecotel Amirandes — each scored out of 10 for toddlers, kids and teens in our Crete guide.
In school holidays, yes — the big water parks and theme parks in Crete sell timed tickets that can sell out on peak days, and booking online is usually cheaper than the gate.