LEGO Minecraft 21598 Underwater Adventure

LEGO Minecraft set 21598, “Underwater Adventure”, depicts an underwater scene from the Minecraft universe. Released in 2026, it belongs to the Minecraft theme and contains 310 pieces with Steve, a deep sea diver and a drowned zombie.

“Underwater Adventure” is part of the LEGO Minecraft range, which translates recognizable game settings and characters into brick built form. Set 21598 focuses on an underwater situation, placing it within the aquatic side of the Minecraft theme. Its subject is a Minecraft scene rather than a realistic diving model.

The set contains 310 pieces and 3 figures. This selection supports a scene built around exploration and an encounter with a hostile underwater creature.

The set is suited to narrative play, compact display or a Minecraft collection organized around locations and mobs. Among sets in the same theme, its defining point is the underwater setting and the particular combination of Steve, the diver and the Drowned figure, which gives it a clear aquatic identity.

Inventory of set 21598

The inventory of set 21598 lists 310 pieces, spare parts excluded: 130 different lots (one shape in one color) for 87 part shapes.

Colors of set 21598

Main color: tan, making up 14% of the parts, followed by light bluish gray (14%) and sand green (10%).

Part types

Most common parts in set 21598

69 of the 87 part shapes in this set have their own page on Setopedia, with their colors, element numbers and the other sets that use them. See all LEGO parts

Exclusive parts in set 21598

3 part shapes in set 21598 appear in no other set in the catalog, most often printed elements, stickers or molds specific to the model. If one gets lost, you will need to look for it individually, for example on BrickLink, rather than in another set.

Rebuilding set 21598 from another set

Share of the parts of set 21598 found in each of these similarly sized sets, counting shape, colour and quantity:

No similarly sized set goes above 52%: the model relies on a little-shared assortment, most of which has to be gathered piece by piece.

Size of set 21598 within its line

With 310 pieces, set 21598 ranks #80 out of 155 Minecraft sets in our database, which have an average of 393 parts. Among the 558 sets released in 2026, it ranks #313.