Kids' Birthday Parties

Great value birthday parties from just £20.00pp for children and teens.

Turn up and take to the flumes – it really is that easy! That’s because when you book a birthday party at Splashdown, Poole we’ll provide everything, from invitations to refreshments. What’s more, our team will make sure things go swimmingly.

A hassle-free kids' birthday party? Now that really is something to celebrate!

Please note our parties may not be suitable for children aged 7 and under as all members of the party must be confident on the flumes.

Note: Price rise for parties from 27th March, 2026. £1.00 per head.

Choose from 2 Flumin' Brilliant Birthday Party Packages

Flume Only Party

From £20.00pp | Minimum of 8 children.

Our value for money and simplest birthday party package. Our Flume Only Party package includes:

Party invitations
1 and a half hours in the water
Slush refreshments (plus a tea or coffee for the two free adults)
Free flume riding for 2 adults

HOSTED BIRTHDAY PARTY OPTION:

No one knows the flumes better than our own staff! Why not add a dedicated party host to this party package? Available to book online at an extra £2.00 per person - see the ticket website for information.

Having your birthday party at Splashdown, Poole is a memorable event for everyone, your friends will be talking about this day for weeks!

Cool Slider Classic Party

From £25.00pp | Minimum of 8 children

With all the benefits of our Hosted Flume Only party plus choose one of our great food options below:

Burger - Guests choose from a kids' beef burger, 4 chicken nuggets or veggie burger, all served with regular fries and a regular drink.
Hot Dog - Kids' hot dog in a bun, regular fries and a regular drink.
Pizza - Margherita pizza slice platter, regular fries and a regular drink. (2 slices per child)
Cold Lunchbox - a choice of one sandwich (ham, jam or cheese), a packet of crisps, 3 cocktail sausages, a pot of cherry tomatoes and cucumber and a regular drink.

All served in our designated party rooms.

We've had a great time with Preston today as the host. All the team have been very helpful and the boys loved it! We will be back soon.

Party Parent - May 2025

Booking Information

Check Our Opening Hours

Before making your booking please check our OPENING HOURS to ensure that you know we will be open on your preferred date. As our parties are popular, we advise that when making your booking you have a couple of dates/times in mind to avoid disappointment.

Adult to Child Ratios

Don't let the kids have all the fun, children under 12 must be accompanied on site according to the following ratios:

Children aged 12 and above may enter the waterpark unaccompanied at the risk of their parent /carer

Children aged 9-11 may use the slides at the waterpark where they have an adult in the spectator area and are accompanied by at least one other slider aged 9 or above around the waterpark

Children aged Under 9 must be supervised everywhere in the waterpark including the slides by an adult (18+) as the supervising adult you should not be directly supervising more than two children 5-8 at one time

Children aged Under 5 must be supervised on a 1:1 basis everywhere in the waterpark at all times

*Please note, if a party host is included in your package, your host acts as one responsible adult*

Party Spectators

Please note you get two free adult admissions per party booking. These admissions can either go in the water with your party or remain dry in the cafe, according to the required ratios. Any additional adults will need to pay the relevant admission to join your party.

Booking Deposits

Due to the current restriction on our overall capacity, payment in full is required at the time of booking.

Before You Arrive

Once you have booked your party, we will post out to you a party pack confirming the date and time of your party, your party invitations and, if chosen, a food menu.

Extra party hosts may be available for an additional £30. However, a minimum of 7 days notice is required.

If you need to make any amendments to your booking, don’t worry. We are just a phone call away, contact our groups and parties co-ordinators on 01202 711570 or you can email us on [email protected]