Minecraft®
The Nether Lava Battle
from £7
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![Underwater Adventure]()
Minecraft®
#21598 · EAN 5702018069301
310 pieces · 3 minifigs · Released 2026
Steve explores the ocean and battles hostile, undersea mobs
£24
Cheapest at LEGO · + £3 shipping (£27 total) · ✓ In stock
✓ 1 retailers
✓ Updated daily
310
Pieces
3
Minifigs
2026
Year
≈ £0.08 per piece · 310 pieces
68
Heist
Great deal
Lowest in 6 months
Few sellers left
Compare prices
Prices at 1 retailers — updated daily. How we track these prices.
LEGO
Best price
Official
● In stock · + £3 shipping (£27 total)
£24
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
Price per piece
£0.08
EAN
5702018069301
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Underwater Adventure (LEGO set 21598) is a LEGO Minecraft® set with 310 pieces. Compare LEGO prices for it across retailers and check the full price history before you buy.
The best price for Underwater Adventure right now is £24 across 1 retailers — matching the official LEGO RRP of .
The lowest daily price has held steady around £24 over the past month.
Brickheist tracks the price of Underwater Adventure daily and keeps up to 12 months of price history. Right now it's at its all-time low of £24 — a great moment to buy.
Frequently asked questions
How much does Underwater Adventure cost?
The cheapest tracked price for Underwater Adventure is £24, compared across 1 retailers and updated every day on Brickheist.
What is the lowest price for Underwater Adventure?
The all-time low we've recorded for Underwater Adventure (set 21598) is £24. The 12-month price history is shown on this page so you can spot a genuine deal.
Where can I buy Underwater Adventure the cheapest?
Brickheist compares Underwater Adventure across LEGO retailers so you can buy at the lowest price. See the retailer table above for live prices, stock and shipping.
£24
at LEGO