Back to LEGO sets

310

LEGO

Underwater Adventure

Reference: #21598 · released in 2026

Themes: Minecraft

The LEGO Underwater Adventure set came out in 2026 in the Minecraft theme. It holds 310 pieces and includes three figures, among them Steve, the deep sea diver and a drowned.

This set from LEGO includes a total of 310 parts distributed across 130 distinct unique parts.

Add to my sets

310

Total parts

130

Unique parts

LEGO

Universe

Download instructions 23.93 MB

Set parts (130)

310 parts in the box

Hips and Dark Blue Legs

Hips and Dark Blue Legs

Dark Blue

Hips and Reddish Brown Legs

Hips and Reddish Brown Legs

Reddish Brown

Hips and Medium Lavender Legs

Hips and Medium Lavender Legs

Medium Lavender

Torso, Pixelated Dark Pink/Dark Tan/Light Blue Scuba Gear, Air Tanks on Back Print, Yellow Arms, Black Hands

Torso, Pixelated Dark Pink/Dark Tan/Light Blue Scuba Gear, Air Tanks on Back Print, Yellow Arms, Black Hands

Yellow

Torso, Pixelated Nougat Neck Print, Dark Azure Arms, Nougat Hands

Torso, Pixelated Nougat Neck Print, Dark Azure Arms, Nougat Hands

Dark Azure

Torso, Pixelated White, Green, Dark Brown, Dark Turquoise, and Sand Green Squares Print, Sand Green Arms and Hands

Torso, Pixelated White, Green, Dark Brown, Dark Turquoise, and Sand Green Squares Print, Sand Green Arms and Hands

Reddish Brown

Tile 1 x 4 with Groove

Tile 1 x 4 with Groove

Dark Orange

Plate 2 x 12

Light Bluish Gray

Plate Special 1 x 2 Side Handle [Free Ends]

Plate Special 1 x 2 Side Handle [Free Ends]

Tan

Plate Special 1 x 2 Side Handle [Free Ends]

Plate Special 1 x 2 Side Handle [Free Ends]

Green

Plate Round 2 x 2 with Rounded Bottom [Boat Stud]

Plate Round 2 x 2 with Rounded Bottom [Boat Stud]

Trans-Light Blue

Brick 2 x 4

Tan

Brick 2 x 4

Yellow

Brick 2 x 2

Bright Pink

Brick 2 x 2

Yellow

Brick 2 x 2

White

Brick 2 x 2

Blue

Brick 2 x 2

Tan

Brick 2 x 2

Dark Bluish Gray

Brick 2 x 2

Medium Azure

Brick 2 x 2

Sand Green

Brick 2 x 2

Dark Orange

Brick 1 x 2 with Black and White Square Print

Brick 1 x 2 with Black and White Square Print

Light Bluish Gray

Brick 1 x 1

Light Bluish Gray

Brick 1 x 4

Tan

Brick 1 x 4

Sand Green

Plate 2 x 4

Dark Bluish Gray

Plate 2 x 4

Dark Green

Plate 2 x 4

Dark Orange

Plate 2 x 3

Light Bluish Gray

Plate 2 x 2

Black

Plate 2 x 2

Green

Plate 2 x 2

Bright Pink

Plate 1 x 2

Dark Bluish Gray

Plate 1 x 2

Dark Tan

Plate 1 x 2

Sand Green

Plate 1 x 1

Trans-Clear

Plate 1 x 1

Light Bluish Gray

Plate 1 x 1

Orange

Plate 1 x 1

Bright Pink

Plate 4 x 12

Light Bluish Gray

Plate 2 x 8

Dark Green

Plate 4 x 8

Tan

Plate 6 x 8

Tan

Brick Round 1 x 1 Open Stud

Brick Round 1 x 1 Open Stud

Trans-Clear

Brick Round 1 x 1 Open Stud

Brick Round 1 x 1 Open Stud

Lime

Tile 2 x 2 with Groove

Tile 2 x 2 with Groove

Black

Tile 2 x 2 with Pixelated Map Print

Tile 2 x 2 with Pixelated Map Print

Tan

Tile 1 x 2 with Groove

Tile 1 x 2 with Groove

Light Bluish Gray

Tile 1 x 2 with Groove

Tile 1 x 2 with Groove

Lavender

Tile 1 x 1 with Groove

Tile 1 x 1 with Groove

Light Bluish Gray

Tile 1 x 1 with Groove

Tile 1 x 1 with Groove

Orange

Tile 1 x 1 with Groove

Tile 1 x 1 with Groove

Dark Tan

Plate 1 x 3

Tan

Plate 1 x 4

Light Bluish Gray

Plate 1 x 4

Dark Orange

Plate 1 x 4

Dark Tan

Plant, Flower 2 x 2 Leaves - Angular

Plant, Flower 2 x 2 Leaves - Angular

Bright Green

Brick Special 1 x 1 Studs on 4 Sides

Brick Special 1 x 1 Studs on 4 Sides

White

Plate Round 1 x 1 with Solid Stud

Plate Round 1 x 1 with Solid Stud

Pearl Gold

Plate Round 1 x 1 with Solid Stud

Plate Round 1 x 1 with Solid Stud

Medium Azure

Plate Round 1 x 1 with Solid Stud

Plate Round 1 x 1 with Solid Stud

Bright Green

Container Box 2 x 2 x 1 1/3 with Hinge

Container Box 2 x 2 x 1 1/3 with Hinge

Medium Nougat

Lid for Box 2 x 2, Hinged

Lid for Box 2 x 2, Hinged

Medium Nougat

Bar Holder with Clip

Bar Holder with Clip

Orange

Tile Special 2 x 2 Inverted with Pixelated Dark Green, Dark Red, White and Gray Print (Minecraft Guardian)

Tile Special 2 x 2 Inverted with Pixelated Dark Green, Dark Red, White and Gray Print (Minecraft Guardian)

Sand Green

Plate 3 x 3

Tan

Plate Special 1 x 2 with Clip Horizontal on Side

Plate Special 1 x 2 with Clip Horizontal on Side

Light Bluish Gray

Brick Curved 2 x 1 No Studs [1/2 Bow]

Brick Curved 2 x 1 No Studs [1/2 Bow]

Dark Bluish Gray

Plate Special 1 x 2 with 5.9mm Centre Side Towball

Plate Special 1 x 2 with 5.9mm Centre Side Towball

Dark Bluish Gray

Plate Special 1 x 2 5.9mm Towball Socket

Plate Special 1 x 2 5.9mm Towball Socket

Light Bluish Gray

Projectile, Spring Shooter Ammunition 8L Bar

Projectile, Spring Shooter Ammunition 8L Bar

Trans-Bright Green

Launcher, Brick Special 1 x 4 Spring Shooter with Light Bluish Gray Top

Launcher, Brick Special 1 x 4 Spring Shooter with Light Bluish Gray Top

Dark Bluish Gray

Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper)

Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper)

Light Bluish Gray

Tile Special 1 x 1 with Clip with Rounded Edges

Tile Special 1 x 1 with Clip with Rounded Edges

Sand Green

Plate Special 1 x 2 with Handles on Ends

Plate Special 1 x 2 with Handles on Ends

Light Bluish Gray

Weapon Sword Blocky

Weapon Sword Blocky

Medium Azure

Weapon Axe Blocky

Weapon Axe Blocky

Flat Silver

Equipment Shovel Blocky

Equipment Shovel Blocky

Reddish Brown

Minifig Neckwear Armour Breastplate Rectangular (Minecraft)

Minifig Neckwear Armour Breastplate Rectangular (Minecraft)

Medium Lavender

Minifig Head Special, Cube with Pixelated Zombie Print

Minifig Head Special, Cube with Pixelated Zombie Print

Sand Green

Minifig Head Special, Cube with Minecraft Steve Nougat Face Print

Minifig Head Special, Cube with Minecraft Steve Nougat Face Print

Dark Brown

Minifig Head Special, Cube with Pixelated Diver Goggles, Black Border, Coral Snorkel Print

Minifig Head Special, Cube with Pixelated Diver Goggles, Black Border, Coral Snorkel Print

Yellow

Helmet Rectangular

Helmet Rectangular

Medium Lavender

Tile Special Round 1 x 1 with Hollow Bar

Tile Special Round 1 x 1 with Hollow Bar

Trans-Clear

Brick Sloped 45° 1 x 1 x 2/3 Quadruple Convex [Pyramid]

Brick Sloped 45° 1 x 1 x 2/3 Quadruple Convex [Pyramid]

Trans-Light Blue

Brick Special 1 x 2 x 1 2/3 with 4 Studs on 1 Side

Brick Special 1 x 2 x 1 2/3 with 4 Studs on 1 Side

Light Bluish Gray

Plant, Flower Stem with Bottom Bar

Plant, Flower Stem with Bottom Bar

Green

Plant, Flower, Plate Round 1 x 1 with 5 Petals

Plant, Flower, Plate Round 1 x 1 with 5 Petals

White

Plant, Flower, Plate Round 1 x 1 with 5 Petals

Plant, Flower, Plate Round 1 x 1 with 5 Petals

Blue

Tile Round 1 x 1 Quarter

Tile Round 1 x 1 Quarter

Orange

Tile 2 x 3

Tan

Tile 2 x 3

Light Bluish Gray

Tile 2 x 3 with Pixelated Orange Eye Print

Tile 2 x 3 with Pixelated Orange Eye Print

Tan

Brick Special 1 x 1 with Studs on 2 Adjacent Sides

Brick Special 1 x 1 with Studs on 2 Adjacent Sides

Tan

Plate Special 1 x 2 with Door Rail

Plate Special 1 x 2 with Door Rail

Reddish Brown

Brick Special 1 x 1 x 1 2/3 with Studs on 1 Side

Brick Special 1 x 1 x 1 2/3 with Studs on 1 Side

White

Brick Special 1 x 2 with Vertical Closed Handle on Edge

Brick Special 1 x 2 with Vertical Closed Handle on Edge

Light Bluish Gray

Plate Special 1 x 2 Rounded with 2 Open Studs

Plate Special 1 x 2 Rounded with 2 Open Studs

Yellow

Bracket 1 x 1 - 1 x 1

Bracket 1 x 1 - 1 x 1

Light Bluish Gray

Plate Special 1 x 4 with 2 Studs with Groove [New Underside]

Plate Special 1 x 4 with 2 Studs with Groove [New Underside]

Tan

Bracket 1 x 2 - 2 x 2

Bracket 1 x 2 - 2 x 2

Black

Plate Special 1 x 2, Top Clip [Open O]

Plate Special 1 x 2, Top Clip [Open O]

Light Bluish Gray

Wedge Plate 2 x 4

Wedge Plate 2 x 4

Black

Wedge Plate 2 x 4

Wedge Plate 2 x 4

Orange

Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope)

Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope)

Light Bluish Gray

Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope)

Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope)

Orange

Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope)

Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope)

Tan

Plate Special 1 x 2 with Handle on End [Closed Ends]

Plate Special 1 x 2 with Handle on End [Closed Ends]

Blue

Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip]

Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip]

Black

Tile 1 x 3

Dark Tan

Equipment Telescope / Torch / Spyglass, Support Round 1 x 1 x 1 2/3

Equipment Telescope / Torch / Spyglass, Support Round 1 x 1 x 1 2/3

Pearl Gold

Plate Special 2 x 4 with Groove and Two Center Studs (Jumper)

Plate Special 2 x 4 with Groove and Two Center Studs (Jumper)

Tan

Plate Special 2 x 4 with Groove and Two Center Studs (Jumper)

Plate Special 2 x 4 with Groove and Two Center Studs (Jumper)

Yellow

Plate Special 1 x 2 with Clip Vertical on End

Plate Special 1 x 2 with Clip Vertical on End

Tan

Weapon Trident, Blocky

Weapon Trident, Blocky

Sand Green

Plate 1 x 1 x 2/3 with Open Stud

Plate 1 x 1 x 2/3 with Open Stud

Olive Green

Plate 1 x 1 x 2/3 with Open Stud

Plate 1 x 1 x 2/3 with Open Stud

Dark Pink

Brick Special 1 x 1 with Stud on 1 Side

Brick Special 1 x 1 with Stud on 1 Side

Black

Plate Special 2 x 2 with Groove and Center Stud (Jumper)

Plate Special 2 x 2 with Groove and Center Stud (Jumper)

Light Bluish Gray

Plate Special 2 x 2 with Groove and Center Stud (Jumper)

Plate Special 2 x 2 with Groove and Center Stud (Jumper)

Yellow

Plate Special 2 x 2 with Groove and Center Stud (Jumper)

Plate Special 2 x 2 with Groove and Center Stud (Jumper)

Blue

Plate Special 2 x 2 with Groove and Center Stud (Jumper)

Plate Special 2 x 2 with Groove and Center Stud (Jumper)

Tan

Plate Special 2 x 2 with Groove and Center Stud (Jumper)

Plate Special 2 x 2 with Groove and Center Stud (Jumper)

Sand Green

Plate Special 2 x 2 with Groove and Center Stud (Jumper)

Plate Special 2 x 2 with Groove and Center Stud (Jumper)

Bright Pink

Plate Special 2 x 2 with Groove and Center Stud (Jumper)

Plate Special 2 x 2 with Groove and Center Stud (Jumper)

Dark Orange

Plate Special 2 x 2 with Groove and Center Stud (Jumper)

Plate Special 2 x 2 with Groove and Center Stud (Jumper)

Trans-Light Blue

Bracket 1 x 2 - 2 x 2 Inverted

Bracket 1 x 2 - 2 x 2 Inverted

Light Bluish Gray

Bracket 1 x 2 - 1 x 2 Inverted

Bracket 1 x 2 - 1 x 2 Inverted

Light Bluish Gray

Bracket 1 x 2 - 1 x 2 Inverted

Bracket 1 x 2 - 1 x 2 Inverted

Reddish Brown

LEGO data from Rebrickable (rebrickable.com), building instructions from Brickset (brickset.com) and lego.com. LEGO® is a trademark of the LEGO Group of companies, which does not sponsor, authorize or endorse this site. Learn more