LEGO 21598
Underwater Adventure

LEGO 21598 Underwater Adventure box image
Set number
21598
Theme
Minecraft
Pieces
310 pcs
Year
2026
Used & parts
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“Underwater Adventure” is LEGO® “Minecraft” theme set number 21598. Released in 2026, it has 310 pieces. With Re:GO you can automatically work out what percentage of this set you can build from the LEGO parts you already own, along with the missing parts and an estimated cost. Use the links below to compare prices on Amazon, Rakuten, Yahoo! Shopping, Mercari and Yahoo! Auctions, and find the best deal on new, used, or individual parts.

Part breakdown 119 types

Color split (most first)
Tan×43
Light Bluish Gray×42
Sand Green×30
Orange×18
Green×16
Blue×16
Lavender×12
Dark Orange×11
Black×11
Reddish Brown×10
Yellow×10
Bright Pink×10
Main parts (most used first)
11090 Bar Holder with Clip
Orange · ×12
2540 Plate Special 1 x 2 Side Handle [Free Ends]
Green · ×12
3069b Tile 1 x 2 with Groove
Lavender · ×12
60478 Plate Special 1 x 2 with Handle on End [Closed Ends]
Blue · ×12
3623 Plate 1 x 3
Tan · ×10
44861 Plate Special 1 x 2 [Open O Top Clip]
Light Bluish Gray · ×10
87580 Plate Special 2 x 2 with Groove and Center Stud (Jumper)
Sand Green · ×9
3003 Brick 2 x 2
Sand Green · ×8
3010 Brick 1 x 4
Sand Green · ×8
6141 Plate Round 1 x 1 with Solid Stud
Medium Azure · ×6
3020 Plate 2 x 4
Dark Green · ×5
63864 Tile 1 x 3
Dark Tan · ×5
2431 Tile 1 x 4 with Groove
Dark Orange · ×4
26604 Brick Special 1 x 1 with Studs on 2 Adjacent Sides
Tan · ×4
3001 Brick 2 x 4
Tan · ×4
3024 Plate 1 x 1
Bright Pink · ×4
3062b Brick Round 1 x 1 Open Stud
Lime · ×4
3069b Tile 1 x 2 with Groove
Light Bluish Gray · ×4
32028 Plate Special 1 x 2 with Door Rail
Reddish Brown · ×4
65509 Plate Special 2 x 4 with Groove and Two Center Studs (Jumper)
Tan · ×4
86996 Plate 1 x 1 x 2/3 with Open Stud
Dark Pink · ×4
87087 Brick Special 1 x 1 with Stud on 1 Side
Black · ×4
87580 Plate Special 2 x 2 with Groove and Center Stud (Jumper)
Tan · ×4
99780 Bracket 1 x 2 - 1 x 2 Inverted
Reddish Brown · ×4

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