LEGO 11204 Mermaid Gabby's Aquarium Adventure

Released 2025 · 114 pieces · 3 minifigures · Gabby's Dollhouse

LEGO Mermaid Gabby's Aquarium Adventure (11204) was released in 2025 as part of the Gabby's Dollhouse theme, with 114 pieces and 3 minifigures. That makes it the 8th largest of the 12 Gabby's Dollhouse sets in the catalog. It was one of 2 Gabby's Dollhouse sets released that year. Released in 2025. LEGO sets typically stay on shelves for about two years, so this one is likely still in production.

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• Estimated value: $17 (modelled from piece count, era, and age, not live market data)

Availability: Currently available (probably) (inferred from its release year, not an official retirement date)

Full details, the price breakdown, and the minifigures included are below. Add it to your collection to track what it's worth.

• The 8th largest of 12 Gabby's Dollhouse sets
• 15¢ per piece, about typical for Gabby's Dollhouse

Minifigures: MerCat, Gabby, Mermaid Tail, Kitty Jellyfish

More from 2025

Set data from the Rebrickable database, refreshed daily. Catalog data as of 2026-09-01. Values are this site's estimates, see how they're calculated.

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