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The most valuable Disney The Little Mermaid LEGO sets by current market value. This list ranks 15 sets by current BrickPicker value, refreshed from live market data. Right now the top spot belongs to The Little Mermaid Royal Clamshell at $210. The top 5 alone account for about 62% of the value on this list. Every entry links to its full price history and marketplace listings. Updated 2026-07-22.
Top 5 hold 62% of this list's value ($915).
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| Name | / piece | |||
|---|---|---|---|---|
| 1 |  The Little Mermaid Royal Clamshell Disney · 2023 | $210 | +31% | $0.12 |
| 2 |  Ariel's Underwater Palace Disney · 2022 | $118 | +18% | $0.24 |
| 3 |  Ariel's Undersea Palace Disney · 2015 | $101 | +84% | $0.27 |
| 4 |  Ariel's Royal Wedding Boat Disney · 2026 | $75 | +8% | $0.15 |
| 5 |  Ariel's Royal Celebration Boat Disney · 2018 | $65 | +30% | $0.17 |
| 6 |  Ariel and the Magical Spell Disney · 2017 | $63 | +110% | $0.28 |
| 7 |  Ariel's Seaside Castle Disney · 2019 | $48 | +92% | $0.42 |
| 8 |  Ariel's Celebration Boat Disney · 2021 | $45 | +50% | $0.39 |
| 9 |  Ariel's Treasure Chest Disney · 2023 | $43 | -4% | $0.12 |
| 10 |  Ariel's Magical Kiss Disney · 2014 | $40 | +33% | $0.16 |
| 11 |  Mini Disney Ariel's Castle Disney · 2023 | $27 | -32% | $0.05 |
| 12 |  Ariel's Amazing Treasures Disney · 2014 | $24 | +84% | $0.31 |
| 13 |  Ariel's Magical Mini Palace Disney · 2025 | $24 | +18% | $0.13 |
| 14 |  Ariel's Underwater Symphony Disney · 2018 | $17 | +240% | $0.33 |
| 15 |  Twirling Ariel Disney · 2025 | $15 | +50% | $0.16 |
The 43225 The Little Mermaid Royal Clamshell is the most valuable, worth about $210 on the current market.
Around $210 — that's the current BrickPicker value of the 43225 The Little Mermaid Royal Clamshell, the top-ranked set on this list.
This list ranks 15 disney the little mermaid lego sets by current market value, refreshed from live sales data.