Tropical Islands Resort sits inside the Aerium, a colossal former airship hangar in Krausnick, Brandenburg, about 50 kilometers south of Berlin. Built by CargoLifter AG and completed in November 2000, the hangar became the world’s largest free-standing hall without interior support pillars before CargoLifter’s 2002 bankruptcy left the structure searching for a new purpose.
Malaysian corporation Tanjong bought it in 2003 for €17.5 million and reopened it as an indoor tropical resort on December 19, 2004. Today, under Spanish operator Parques Reunidos, it’s the world’s largest indoor water park — and one of the easiest big day trips from Berlin, provided you know when it’s open, what a ticket actually costs, and how to get there without a car.
Quick Answer
Tropical Islands is a climate-controlled indoor water park and rainforest built inside a former airship hangar in Krausnick, Germany, about an hour from Berlin by car or train. The park is effectively open year-round, day tickets to the Tropical World area run roughly €35–45 online in regular season (more on weekends, holidays, and peak summer dates, plus extra for sauna access), and the easiest car-free route is the RE2/RE7 train to Brand Tropical Islands station followed by a free shuttle bus. Check the official Tropical Islands website for the exact hours and prices on your travel date, since both shift by season and day of week.
Hours: When Is Tropical Islands Open
Tropical Islands markets itself as open 365 days a year, including public holidays, and pool access effectively runs 24 hours for overnight guests: between roughly 10 p.m. and 8 a.m., one of the two indoor pools stays partially open while the other is cleaned, so there’s always water to swim in even overnight.
Day-visitor hours are narrower and change by date — the standard Tropical World and outdoor AMAZONIA area typically runs from around 8 a.m. into the late evening, while individual attractions (the sauna and spa, specific slides, restaurants) each keep their own schedule that can vary day to day. Because of that variation, always check the live calendar on the official hours page for your specific visit date before you plan the day, especially if you’re arriving late or want to catch every slide.
Tickets & Prices: What a Day Costs
Tropical Islands sells several tiers of day ticket rather than one flat admission. A “Pure Tropics” ticket covers the Tropical World dome and outdoor AMAZONIA area, while a “Tropics & Sauna” ticket adds the sauna and spa zone for a higher price. Rates also step up for teenagers, children (roughly ages 4–12), and drop to free for the youngest kids, with reduced pricing available for students, seniors, and visitors with a disability card.
Pricing is dynamic: expect the lowest online rates on ordinary weekdays, and noticeably higher “peak” and “special day” pricing on weekends, school holidays, and dates like Easter, summer Saturdays, and the Christmas–New Year stretch. There’s also a cheaper Evening ticket for entry after 6 p.m. and a Family ticket bundling two adults with up to three kids. Because these tiers and euro amounts change with the season, buy directly through the official ticket and pricing page, where online prices also run cheaper than paying at the door.
Getting There from Berlin: Train, Shuttle & Driving
By car, take the A13 autobahn south from Berlin to the Staakow exit, then follow signage for the last few kilometers — the drive from central Berlin runs about 50–60 minutes, and on-site parking is a paid day fee collected at the lot.
Without a car, take a Regional Express train (RE2 or RE7) from Berlin Hauptbahnhof or other central stations to Brand Tropical Islands station, a ride of roughly 45 minutes. A free shuttle bus timed to arriving trains covers the short final stretch to the dome entrance. Note that Tropical Islands sits outside Berlin’s standard ABC transit zones, so a normal Berlin public transport ticket won’t cover the full journey — you’ll need a ticket that extends to the Brandenburg zone or a dedicated regional fare.
A Hangar Reborn
The building’s backstory is as striking as anything inside it. CargoLifter AG raised the Aerium in the late 1990s to assemble giant cargo airships, and its pillar-free interior remains the largest of its kind in the world by volume, holding about 5.5 million cubic meters of space. When CargoLifter collapsed financially in 2002, the empty hangar risked becoming a stranded industrial relic on the site of a former Soviet-era military airfield.
Instead, Tanjong’s 2003 purchase and subsequent redevelopment turned the shell into a climate-controlled tropical world. Visitors pass through what still looks like an aircraft hangar door into a landscape of palm trees, a beach lagoon, and a rainforest canopy, all lit by a translucent roof membrane that lets in natural daylight.
Slides, Lagoon & Rainforest: What’s Inside
The centerpiece Tropical Sea lagoon spans thousands of square meters and anchors a network of slides, saunas, and relaxation areas. Its water slide tower stands about 22 meters tall and holds four slides, headlined by the Double Racer — a 212-meter side-by-side racing slide that replaced the park’s old turbo slide in 2023 — alongside a large water slide, the tyre-based Crazy River, and a gentler wide-wave slide for younger riders.
The Rainforest section houses around 50,000 plants across some 600 species, while the outdoor Amazonia area outside the dome adds camping and lodging space exceeding 35,000 square meters. Because the entire park sits under one climate-controlled roof, it operates year-round regardless of the harsh Brandenburg winters outside, a rarity among water parks of its scale and a key reason it has kept its title as the world’s largest indoor water park.
Sauna & Spa: What to Know Before You Go
Tropical Islands’ sauna and wellness zone follows standard German spa etiquette, which surprises many first-time international visitors: it’s a textile-free area. Guests are expected to move through the sauna and wellness zone without swimwear, wrapped only in a towel or bathrobe between cabins, and the sauna cabins themselves are clothing-free, since swimwear is considered less hygienic than bare skin on the wood benches. Staff will remind guests of the etiquette rather than enforce it strictly, and light clothing is fine once you’re back in the dining areas.
This rule applies only to the dedicated sauna and spa zone — the main lagoon, slides, and beach areas of Tropical World operate on normal swimwear rules, so you can skip the sauna entirely and never encounter the textile-free policy if you’d rather not.
Tips for Your Visit
Bring your own towel and swimwear (rentals exist but cost extra), and expect to pay for a wristband-linked locker on-site, since cash generally isn’t used inside the park. Because the dome sits at a steady tropical temperature and humidity, light clothing and flip-flops for the walk between zones are more comfortable than street shoes. If you’re coming as a day trip, arriving earlier in the day gives you more time before evening ticket rates and crowds shift, and checking the live attraction calendar in advance helps you avoid a slide or sauna area being closed for maintenance on your date.
Tropical Islands Resort visitor guide FAQs
Is Tropical Islands really inside an airship hangar?
Yes. The park occupies the Aerium, a hangar CargoLifter AG built to assemble airships, completed in 2000. It remains the largest free-standing hall in the world without interior support pillars.
How far is Tropical Islands from Berlin?
It’s located in Krausnick, Brandenburg, about 50 kilometers south of Berlin — roughly 50–60 minutes by car via the A13, or about an hour by train to Brand Tropical Islands station plus a short shuttle ride.
What temperature is it kept at inside?
The interior is climate-controlled to about 26°C (79°F) with roughly 64% humidity year-round, regardless of the weather outside.
How much do tickets cost?
Day tickets to the Tropical World and AMAZONIA areas typically run in the mid-€30s to mid-€40s online in regular season, rising well above that on weekends, holidays, and peak summer dates; adding sauna access costs more. Prices and tiers change seasonally, so check the official pricing page before you book.
Is Tropical Islands open every day?
It’s marketed as open 365 days a year, including holidays, with pool access effectively around the clock for overnight guests. Individual attractions like the sauna, specific slides, and restaurants keep their own schedules that vary by day, so check the live hours calendar for your visit date.
Can you get to Tropical Islands without a car?
Yes. Take a regional RE2 or RE7 train from Berlin to Brand Tropical Islands station (about 45 minutes), then a free shuttle bus timed to the trains covers the last stretch to the dome entrance.
Is the sauna area clothing-optional?
Yes, the dedicated sauna and spa zone follows German spa etiquette and is textile-free, with sauna cabins specifically off-limits to swimwear. This rule doesn’t apply to the main lagoon and slide areas, where normal swimwear is worn.
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