LEGO 21598 Underwater Adventure Building Instructions

Minecraft • 2026

SEARCH SET

Instruction videos

LEGO 21598 set details

Set number21598
ThemeMinecraft
SubthemeMinifig-scale
Year2026
Pieces310

LEGO 21598 Underwater Adventure is a 2026 LEGO Minecraft set from the Minifig-scale range focused on the LEGO model. The details table below lists 310 pieces, along with the set number, theme and year.

About this LEGO instruction page

Watch the step-by-step LEGO instructions video for LEGO 21598 Underwater Adventure. You can pause between steps, follow the build order, and use the related instruction links below to find more sets from the same theme.

More LEGO Minecraft Building Instructions

Explore more LEGO Minecraft instruction pages and related set guides from the same theme.

Browse all LEGO Minecraft instructions

More LEGO Minifig-scale Instructions

These related LEGO Minifig-scale pages help you browse similar builds from the same subtheme.