Come rain or come shine, we'll always see the value in a day out at the London Aquarium.

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This whale-sized SEA LIFE centre, sat right in the heart the Southbank, offers a trip that is both magical and educational for families.

Whether you've got a budding marine biologist in your midst or just want to gaze in awe at the incredible, shimmering species floating all around you, it's a simply unmissable trip.

Yet, it's also an expensive one. Like many London days out, the SEA LIFE centre comes with a hefty price tag, so below we've laid out all the ways you can save money on a trip with your loved ones.

From online advance bookings to Tesco Clubcard deals, we've listed plenty of ways to make your next visit go swimmingly.

How to get discounted SEA LIFE London Aquarium tickets

The cheapest way to get SEA LIFE London Aquarium tickets is by booking online and in advance.

If you buy a ticket for an off-peak time (weekdays during work hours), prices start at £28 for adults which would otherwise start at £39. If you're booking a peak time, i.e. weekends and school holidays, prices online start higher at £31, but again, this is much less than rocking up on the day would cost.

Best London Aquarium ticket deals at a glance

Best London Aquarium family ticket deals in 2025

4 kids crawling through a tunnel at SEALIFE
Merlin Entertainments

Buy tickets in advance and save £11 on entry

It pays to plan ahead! An online ticket for SEA LIFE starts from £28 while buying a ticket on the day will cost from £39. That's a saving of up to £11. Even if you book ahead for the peak times, tickets will still only cost £31.

Buy SEA LIFE London tickets for £39 £28 at SEA LIFE

Get discounted London Aquarium tickets with Tesco Clubcard

Who doesn’t have a Tesco Clubcard these days? Scanning your Clubcard generates points, and you can convert these points into Tesco Reward Partners vouchers where you get double the vouchers’ face value to use on tickets: so £5 in points is £10 worth of vouchers, for example. You can use these vouchers on attractions across the UK, including SEA LIFE London.

Save on London Aquarium tickets with Tesco Clubcard

Get over 200 days entry with the Merlin Annual Pass

a family walking through an aquarium tunnel at SEALIFE
Merlin Entertainments

The Merlin Annual Pass gives you access to some of the UK's biggest attractions, including all SEA LIFE centres, plus Thorpe Park, Chessington and Alton Towers. With prices starting at £99 you can get the Discovery Pass, which gives you over 200 days entry to any of the attractions available. Or, you can upgrade to the Silver, Gold, or Platinum passes, which give you 300, 340 and 364 days respectively, and extra perks like free parking and a discount on fast track vouchers.

Buy the Discovery Pass from £99 per person at Merlin Annual Pass

Buy London multi-attraction tickets with Merlin

Merlin also offers multi-attraction tickets to a wide-range of tourist hotspots. For the London Aquarium this includes the London Eye, Madame Tussauds, London Dungeon and Shrek's Adventure. Prices for these start at £50.

Save 33% on entry when you travel by train

You can save 1/3 on SEA LIFE entry when you travel by train. All you need to do is book your train and tickets through National Rail, then book your tickets through the SEA LIFE website. Then on the day, simply head to SEA LIFE with your train tickets, booking reference number and payment card to redeem the offer.

Book London train tickets at National Rail

Get group discounts at Virgin Experience Days

At Virgin Experience Days, you can find group SEA LIFE tickets bundled together and make a small saving. Plus, the site often runs additional discount codes that will help take money off your total, at the time of writing it's 10% off.

Shop SEA LIFE bundles from £62.50 at Virgin Experience Days

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Make sure you also look at the best places to visit with your teenager in the UK and how to get cheap safari park tickets.

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