Dive into gaming action with this Underwater Adventure (21598), a LEGO Minecraft building set gift for boys, girls and kids ages 8 years old and up. Players join Steve, the Deep Sea Diver, a drowned, dolphin, tropical fish, guardian and elder guardian as they explore and battle among coral, an ocean monument and an ocean ruin with buried treasure. Fans of the popular video game can recreate Minecraft ocean adventures, helping Steve use his map and boat to embark on an exciting journey. On the way, they battle hostile guardians who try to obstruct Steve’s plans by launching missiles. There’s endless imaginative play inspired by the toy’s accessories, such as Steve’s sword, axe and spyglass, the drowned’s trident and buried treasure chest containing gold and an emerald. Treat kids to this birthday, holiday or any day Minecraft gift idea. And with the LEGO Builder app, kids can zoom, rotate in 3D and track progress with easy-to-follow digital instructions. Set contains 310 pieces.
Dive into gaming action with this Underwater Adventure (21598), a LEGO Minecraft building set gift for boys, girls and kids ages 8 years old and up. Players join Steve, the Deep Sea Diver, a drowned, dolphin, tropical fish, guardian and elder guardian as they explore and battle among coral, an ocean monument and an ocean ruin with buried treasure. Fans of the popular video game can recreate Minecraft ocean adventures, helping Steve use his map and boat to embark on an exciting journey. On the way, they battle hostile guardians who try to obstruct Steve’s plans by launching missiles. There’s endless imaginative play inspired by the toy’s accessories, such as Steve’s sword, axe and spyglass, the drowned’s trident and buried treasure chest containing gold and an emerald. Treat kids to this birthday, holiday or any day Minecraft gift idea. And with the LEGO Builder app, kids can zoom, rotate in 3D and track progress with easy-to-follow digital instructions. Set contains 310 pieces.
in 13 offers
LEGO Minecraft Underwater Adventure
Dive into gaming action with this Underwater Adventure (21598), a LEGO Minecraft building set gift for boys, girls and kids ages 8 years old and up. Players join Steve, the Deep Sea Diver, a drowned, dolphin, tropical fish, guardian and elder guardian as they explore and battle among coral, an ocean monument and an ocean ruin with buried treasure. Fans of the popular video game can recreate Minecraft ocean adventures, helping Steve use his map and boat to embark on an exciting journey. On the way, they battle hostile guardians who try to obstruct Steve’s plans by launching missiles. There’s endless imaginative play inspired by the toy’s accessories, such as Steve’s sword, axe and spyglass, the drowned’s trident and buried treasure chest containing gold and an emerald. Treat kids to this birthday, holiday or any day Minecraft gift idea. And with the LEGO Builder app, kids can zoom, rotate in 3D and track progress with easy-to-follow digital instructions. Set contains 310 pieces.
Dive into gaming action with this Underwater Adventure (21598), a LEGO Minecraft building set gift for boys, girls and kids ages 8 years old and up. Players join Steve, the Deep Sea Diver, a drowned, dolphin, tropical fish, guardian and elder guardian as they explore and battle among coral, an ocean monument and an ocean ruin with buried treasure. Fans of the popular video game can recreate Minecraft ocean adventures, helping Steve use his map and boat to embark on an exciting journey. On the way, they battle hostile guardians who try to obstruct Steve’s plans by launching missiles. There’s endless imaginative play inspired by the toy’s accessories, such as Steve’s sword, axe and spyglass, the drowned’s trident and buried treasure chest containing gold and an emerald. Treat kids to this birthday, holiday or any day Minecraft gift idea. And with the LEGO Builder app, kids can zoom, rotate in 3D and track progress with easy-to-follow digital instructions. Set contains 310 pieces.
The lowest price for LEGO Minecraft Underwater Adventure right now is $34.00 at Kmart, compared across 10 retailers.
The all-time low was $34.00 on 1 Aug 2026. That's the lowest price we've ever tracked — a great time to buy.
Prices last updated 3 Nov 2026.
Last updated at 03/11/2026 18:21:53
LEGO Minecraft Underwater Adventure 21598
Delivery $16
LEGO Underwater Adventure
Delivery $12.50
LEGO Minecraft Underwater Adventure
Delivery between 5–16 Nov $12
LEGO Minecraft Underwater Adventure
Delivery between 6–16 Nov $19.99
Lego Minecraft Underwater Adventure Set 310pcs Steve Ocean Monument
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
LEGO 21598 Underwater Adventure
LEGO Underwater Adventure Set 21598
Delivery $24.68
LEGO Minecraft Underwater Adventure - Building Toy for Boys & Girls, Ages 8+ Minecraft Toys, Figures & Playsets - Gift for Kids & Gamers - 21598
Delivery between 8–12 Nov $41
LEGO Minecraft Underwater Adventure Building Set 310 Pieces
Delivery between 10–11 Nov $95.31
Underwater Adventure
Free delivery between 6–14 Nov
| Brand | LEGO |
| Theme | Minecraft |
| Minimum Age | Ages 8 years and up |
| Number of Pieces | 310 pieces |
LEGO Minecraft Underwater Adventure 21598
Delivery $16
LEGO Underwater Adventure
Delivery $12.50
LEGO Minecraft Underwater Adventure
Delivery between 5–16 Nov $12
LEGO Minecraft Underwater Adventure
Delivery between 6–16 Nov $19.99
Lego Minecraft Underwater Adventure Set 310pcs Steve Ocean Monument
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
| Brand | LEGO |
| Theme | Minecraft |
| Minimum Age | Ages 8 years and up |
| Number of Pieces | 310 pieces |
