Minecraft®
The Nether Lava Battle
from £8.99
£0.09/pc
🏆 All-time low
![Underwater Adventure]()
Minecraft®
#21598 · EAN 5702018069301
310 pieces · 3 minifigs · Released 2026
£24.99
Cheapest at LEGO · + £3.95 shipping (£28.94 total) · ✓ In stock
✓ 2 retailers
✓ Prices checked yesterday ·
Steve explores the ocean and battles hostile, undersea mobs
↓
Good time to buy
All-time low — the lowest price in 12 months
310
Pieces
3
Minifigs
2026
Year
≈ £0.08 per piece · 310 pieces
66
Heist
Great deal
Lowest in 6 months
Few sellers left
📄 Building instructions (LEGO.com)
📚 Set details: Brickset · Rebrickable
Compare prices
Prices at 2 retailers — last checked yesterday. · How we track these prices.
LEGO
Best price
Official
● In stock · + £3.95 shipping (£28.94 total)
£24.99
The Entertainer
○ Out of stock · + £3.99 shipping
£25
Price history — last 90 days
Lowest price across listed retailers.
Lowest price
Specifications
Set #
21598
Theme
Minecraft®
Pieces
310
Minifigs
3
Year
2026
Status
In production
All-time low
£24.99
Price per piece
£0.08
EAN
5702018069301
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The best price for Underwater Adventure right now is £24.99 across 2 retailers — matching the official LEGO RRP of .
The lowest daily price has held steady around £24.99 over the past month.
Right now it's at its all-time low of £24.99 — a great moment to buy.
Frequently asked questions
How much does Underwater Adventure cost?
The cheapest tracked price for Underwater Adventure is £24.99, compared across 2 retailers on Brickheist.
What is the lowest price for Underwater Adventure?
The all-time low we've recorded for Underwater Adventure (set 21598) is £24.99. The 12-month price history is shown on this page so you can spot a genuine deal.
£24.99
at LEGO