Short version: most mainland parks close in September, but you still have two solid plays for autumn/winter—Siam Park (Tenerife) and the Aquashow Indoor park just across the border in Portugal’s Algarve. Everything else is basically a plan-for-next-summer situation. Here’s the clear list.
Quick-glance status (Oct 2025 → Apr 2026)
| Park | Where | Oct–Apr status | Typical off-season hours | Notes |
|---|---|---|---|---|
| Siam Park | Tenerife (Canaries) | Open year-round | 10:00–17:00 in winter | Shorter hours than summer; check daily calendar. |
| Caribe Aquatic Park (PortAventura) | Salou, Catalonia | Closed after Sep 21, 2025 | — | Seasonal; recheck spring 2026 before planning. |
| Aqualandia | Benidorm, Alicante | Closed after Sep 28, 2025 | — | Seasonal; typical late-May restart. |
| Aquópolis Torrevieja | Torrevieja, Alicante | Closed after early Sep 2025 | — | Site now shows “End of season… see you in 2026.” |
| Illa Fantasia | Vilassar de Dalt (Barcelona) | Closed after Sep 7, 2025 | — | Confirmed “season closed” on official pages. |
| Aquashow Indoor | Quarteira, Algarve (Portugal) | Open Oct 1, 2025 – Apr 30, 2026 | 10:00–18:15 | Indoor slides/wave pool; handy for Spain road-trips. |
Status notes & official calendars:
- Siam Park shows winter hours (10:00–17:00) and operates year-round.
- Caribe Aquatic Park tickets “travel on selected dates until Sep 21, 2025.”
- Aqualandia’s 2025 calendar/rates align with a Sep 28, 2025 last day reported locally. Check their “Calendar and schedules” for exact dates.
- Aquópolis Torrevieja displays “End of season. Thank you and see you in 2026!” on the official site.
- Illa Fantasia’s own pages/feeds mark Sep 7, 2025 as the season end.
- Aquashow Indoor confirms Oct 1, 2025 → Apr 30, 2026 with daily times listed.
If you’re set on mainland Spain in autumn/winter
Mainland parks close for staffing, weather, and maintenance. If you’ve already booked flights/hotels on the coast, set expectations: plan beaches and city days, and save the water-park hit for next summer. Use this downtime to shortlist your 2026 visit (chains, height limits, and crowd patterns), then book early when calendars publish in spring. For reference, PortAventura’s Caribe and Aqualandia typically publish their spring/summer schedules with prices and promos a few months ahead.
The Canary Islands strategy (Siam Park)
This is the easy win: Tenerife is warmer, and Siam Park runs all year with winter hours. Two-to-three nights works well—one park day, one buffer day for weather or a second lap. Expect 10:00–17:00 in winter; summer night sessions don’t run off-season. Book ahead on the official page and arrive for rope-drop to clear the headliners before lunch.
Practical tips: bring a light layer (wind can nip after you’re wet), closed-toe water shoes for cool floors, and plan breaks at Mai Thai River to keep kids warm between slides. (Winter sun is still sunblock weather.)
Indoor splash without flying: Aquashow Indoor (Algarve)
If you’re in western Andalucía or driving from Madrid/Extremadura, the Algarve’s Aquashow Indoor fills the gap: fully enclosed slides, a wave pool, kids zones, and set winter hours. It’s open Oct 1, 2025 to Apr 30, 2026, with listed daily times. Book online; weekends and local holidays get busier.
Heads-up: the adjacent outdoor Aquashow park is seasonal (May–Sep), so make sure you’re on the Indoor Park page when checking hours.
Packing list for the cooler months (short and real)
- Rash vests or thermal swim tops (kids last longer when warm).
- Quick-dry towels, plus one extra dry layer for each person.
- Closed-toe water shoes or neoprene socks.
- A small drybag for phones/tickets; rent a locker for the heavy stuff.
- Reusable water bottle; you’ll still dehydrate even when it’s not scorching.
FAQ
Are any Spanish water parks open at Christmas?
Yes—Siam Park in Tenerife runs year-round, with winter hours published on the official site.
Do fast passes/VIP options run in winter?
Offerings vary; Siam Park’s VIP products exist, but availability and value change with crowd levels—always check the official page for the date you’re going.
When do mainland parks publish their 2026 dates?
Generally late winter to early spring. PortAventura World and Aqualandia update calendars and promos on their official pages—set a reminder to recheck then.
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