Reviewed · TICKETS
Serena Water Park Day Ticket
Serena Water Park turns a Finnish day into a tropical one, with warm indoor pools and slides available even when rain, cold, or snow rule outside. In summer, the fun spreads outdoors with more pools and rides, giving you a full day of water-based action at Finland’s largest water park.
I like the 20-plus attractions, which gives families and thrill-seekers more to do than simply float in a pool. I also like the all-weather indoor setting, plus the option to combine a winter water-park visit with skiing at the nearby Serena ski resort.
The main catch is planning: Serena is not open every day. It operates on weekends and during Finnish school holidays, with occasional maintenance breaks, so check the official schedule before paying. The ticket also leaves out parking, meals, swimsuits, and towels.
Key points to know before you go

- Indoor water park all year: Tropical warmth makes Serena useful in cold or wet Finnish weather.
- Outdoor attractions in summer: Summer opening adds more pools and slides, but thunderstorms can close the outdoor area briefly.
- More than 20 attractions: Expect Tornado, Black Hole, Half-Pipe, Tower Slides, Wild River, tube rivers, jacuzzis, and saunas.
- Plan around opening dates: Serena is open on weekends and Finnish school holidays, but maintenance breaks can affect even those dates.
- Bring your own swim gear: Swimsuits and towels are not included and are not rented on site.
- Family pricing needs checking: A recent booking comparison found a family ticket at the cash desk for less than the online total.
Why Serena works in Finnish weather

Serena’s biggest selling point is simple: the indoor water park does not depend on sunshine. Finland can give you rain, cold air, or snow at any time of year, while inside Serena you get warm water, tropical-style heat, slides, and places to sit.
That makes this more than a summer attraction. You can use it as a rainy-day plan, a break from sightseeing in Helsinki and Uusimaa, or part of a winter outing. In the cold season, the water park can be paired with a visit to the Serena ski resort on the same day.
The outdoor section opens during the summer season. It adds space and more open-air water attractions, but you should not assume every outdoor feature operates in every kind of weather. In a summer thunderstorm, the outdoor water park may close for a short period, while the indoor section remains open.
I would treat the indoor area as the reliable core of the experience and the outdoor area as a seasonal bonus. That keeps your expectations sensible and your day flexible.
A few more Helsinki half-days to weigh up
- Helsinki to Tallinn Guided Tour -cruise ticket & pick up included
★ 4.5 · 485 reviews - Helsinki: Temppeliaukio Church Entrance Ticket
★ 4.3 · 421 reviews - Helsinki: SkyWheel Helsinki Entry Ticket
★ 4.5 · 233 reviews
Arriving at the Serena entrance

Serena is located in Uusimaa, next to Hotel Korpilampi. Cottages are also available in the Serena area, which may appeal if you want to turn the visit into a longer stay rather than a quick day out.
Your voucher is not the final entry step. You must exchange it at the ticket counter before entering the water park. In summer, look for the counter below the large Serena sign at the main gate.
In winter, the process is slightly different. The gate is opened, and the ticket counter is inside the indoor water park building. Go through the restaurant cave to reach it. This is the kind of small detail that saves time when you arrive in winter clothing and are ready to get inside.
Everyone entering the water park area needs a ticket. That includes people who may not plan to use the slides, so account for the full party when you calculate the cost.
A full day of slides, pools, and warm water

The ticket is valid for one day from the first activation. You are not buying a timed ride or a short session. That matters because Serena has enough attractions to make a full day worthwhile, especially if your group wants to repeat favorite slides.
The main attraction list includes Tornado, Black Hole, Half-Pipe, Tower Slides, Wild River, and tube rivers. The names tell you what kind of day this is: some rides are built for speed and thrills, while others offer a calmer trip through the water.
You can also use pools, jacuzzis, saunas, and sunbeds. This mix helps different people share the same outing. One person can seek out the bigger slides while another spends more time in warm water or takes a break on a sunbed.
I like that the ticket includes use of all attractions rather than charging separately for each slide. You can try something once, decide it is not for you, and move on without feeling that you wasted a paid ride.
Still, a day ticket does not mean every minute will be spent moving. Food breaks, changing, queues, and rest will take up part of your visit. That is not a problem, but it is worth bringing a patient attitude, especially if you visit during a Finnish school holiday or weekend.
The slides: thrills with a safety check first

The Tornado, Black Hole, Half-Pipe, and Tower Slides are the draws for anyone who wants a more exciting ride. Serena does not give you a quiet spa-style water day alone. You are coming for a mix of slides, pools, and warm-water relaxation.
Before using a slide, pay close attention to its landing pool and posted instructions. A serious Finnish-language complaint from August 2025 described a swimmer struggling in a pool after exiting a slide, with an allegation that a lifeguard failed to respond appropriately. The account also described another person entering the water to help.
That report cannot establish the full facts of what happened, but it is a useful reminder. If you are not a strong swimmer, ask about the depth of the landing pool before using a slide. Stay within your ability, watch the exit area, and keep an eye on children rather than assuming the ride will handle every safety concern for you.
The water park’s staff and safety systems are part of the setting, but personal judgment still matters. If an incident occurs, seek help immediately and report any concern to management.
Same trip base, a completely different kind of day:
- Helsinki: Sightseeing Canal Cruise with Audio Commentary
★ 4.5 · 1,299 reviews - A Finntastic Walking Tour in Helsinki
★ 5.0 · 700 reviews - From Helsinki: Nuuksio National Park Half-Day Trip
★ 4.8 · 688 reviews - Helsinki: Tallinn Guided Day Tour with Ferry Crossing
★ 4.6 · 670 reviews
Outdoor Serena in summer

The summer outdoor water park changes the feel of the day. Instead of staying under the indoor roof, you can move between outdoor attractions and the indoor area, provided the outdoor section is operating.
This is likely the best season for visitors who want the widest choice of water activities. You get the indoor slides and pools plus the open-air section, with the option to return inside if the weather turns cool.
Do not build your entire plan around being outdoors, though. The water park operates in poor weather, but a thunderstorm can cause a temporary outdoor closure. The indoor water park stays open, so your ticket still has value, but the day may not match your ideal summer plan.
Check the operating schedule before booking, then check conditions again on the day if outdoor attractions are especially important to you.
Food, lockers, towels, and the real cost

The listed price is $41 per person. For a full day with access to more than 20 attractions, included sunbeds, and indoor access in every season, that can be fair value if you use the park for several hours.
The price becomes less attractive if you only want a short swim or plan to spend most of your time at the hotel. Food and drinks are extra, and parking is not included. You should also bring a swimsuit and towel because neither is included, and towels and swimsuits are not available for rent. They can be bought at the site, but that is usually less convenient and may cost more than packing your own.
Lockers are available, but you need a €2 coin deposit. The deposit can be exchanged using cash or card, so you do not need to arrive with the exact coin in hand. I would still keep a small amount of cash with you for quick purchases and locker-related needs.
A family-price issue deserves attention. One booking account described paying €142 for two adults and children aged 9 and 13, then finding a family ticket at the on-site desk for €127. Prices and conditions can change, but this is a good reason to compare the online total with Serena’s own family options before committing.
For a larger family, a direct family ticket may offer better value than separate online admissions. For one or two adults, the convenience of booking in advance may matter more.
Combining water park and ski resort

In winter, Serena offers an unusual pairing: skiing and a water park on the same day. You can spend part of the day outdoors on the ski slopes, then warm up indoors with pools, slides, jacuzzis, and saunas.
That combination is most useful if your group has mixed interests. One person may prefer skiing while another wants warm water, or children may enjoy switching between snow and slides. It also makes the water park more than a stand-alone destination during the colder months.
You will need to watch your timing. A full ski session and a full water-park day can be tiring, especially for children. Decide in advance which activity matters most, then use the second as an add-on rather than trying to squeeze in everything at once.
Who will enjoy Serena most

Serena suits families, groups of friends, and anyone who likes having several kinds of water activity in one place. Strong swimmers and slide fans have plenty to try, while people who prefer a slower pace can use the pools, jacuzzis, saunas, and sunbeds.
It also works for a rainy day because the main indoor section remains available regardless of ordinary weather. The summer version suits people who want both indoor reliability and outdoor space.
You may want to reconsider if you dislike crowded leisure parks, need a quiet spa atmosphere, or are paying for a very short visit. The attraction list is large, but the value depends on spending enough time there to use it.
Families with younger or less confident swimmers should plan carefully. Know which slides end in deeper pools, follow instructions, and keep children close. Wheelchair accessibility is listed, but specific details about accessible changing facilities or individual attractions are not provided, so contact Serena directly if you need those details.
Booking, cancellation, and opening dates

The operating schedule is the most important booking detail. Serena is open on weekends and during Finnish school holidays, but maintenance breaks can close the park even on a weekend. The schedule is published well in advance, so check it before purchasing.
The booking information gives two different cancellation messages. It says cancellation up to 24 hours in advance can qualify for a full refund, while another notice says online purchases are non-refundable. Because those terms conflict, read the exact conditions attached to your booking before paying.
A reserve-now-and-pay-later option is also advertised, which can help if your plans are still moving. Do not treat that option as proof that every booking can be refunded. Confirm the terms for your selected date and ticket type.
Pets are not allowed in the water park area. Bring swimwear and a towel, and remember that parking, food, and drinks cost extra.
Is the $41 ticket worth it?
I would book Serena if you want a full day of active fun, especially with children or a group that enjoys slides. The indoor section gives you a dependable plan in Finnish weather, and summer adds outdoor attractions without removing the indoor option.
I would compare prices first if you are booking for a family. The reported difference between an online total of €142 and an on-site family ticket of €127 is large enough to check current direct prices.
I would also avoid booking until you confirm the opening schedule. Once those practical points are settled, Serena offers a useful combination of thrill rides, warm pools, saunas, and rest areas. Pack your towel, budget for extras, check the slide depths, and you can make the most of the one-day ticket.
FAQ
Is Serena Water Park open all year?
The indoor water park operates in all seasons and remains open regardless of ordinary weather. The outdoor water park opens during the summer season.
What attractions are included in the ticket?
The ticket includes use of all attractions. These include Tornado, Black Hole, Half-Pipe, Tower Slides, Wild River, tube rivers, pools, jacuzzis, and saunas.
Does the ticket include towels and swimsuits?
No. You must bring your own swimwear and towel. Swimsuits and towels can be bought at the site, but they are not available for rent.
Do I need to pay for a locker?
Lockers are available, but a €2 coin deposit is required. The deposit can be exchanged using cash or card.
How do I exchange my voucher?
In summer, exchange your voucher at the ticket counter below the large Serena sign at the main gate. In winter, enter through the opened gate and find the counter inside the indoor water park building by going through the restaurant cave.
Can I visit the water park during a thunderstorm?
The indoor water park remains open. During a summer thunderstorm, the outdoor water park may close temporarily for a short time.
Just added around Helsinki
- Wildlife safari with campfire dinner from Helsinki★ 5.0 · 8 reviews
- Traditional smoke sauna experience and national park visit★ 5.0 · 10 reviews
- Helsinki and Porvoo Private Tour by Luxury Car with Guide★ 5.0 · 16 reviews
- Winter kayaking in Eastern Helsinki archipelago★ 5.0 · 3 reviews
- Helsinki Self-Guided Audio Tour★ 3.5 · 14 reviews
- Private Porvoo Tour & Visit Runeberg’s National Poet House★ 5.0 · 3 reviews
- Helsinki Private Tour Medieval Porvoo****★ 4.5 · 10 reviews
- Visit to Authentic Finnish Berry Winery, Tasting Included★ 5.0 · 5 reviews
Tickets, compared.

Helsinki to Tallinn Guided Tour -cruise ticket & pick up included
Read our review →
Arktikum Science Centre and Museum Entry Ticket
Read our review →
Ranua’s Wildlife Park Ticket with Transportation
Read our review →Browse the lists this tour appears in





