Sea Serpent #6057 — LEGO Castle Set Value
LEGO CastleWhat the Sea Serpent #6057 LEGO set is worth — loose, complete, and sealed.
Sea Serpent #6057 value — Loose $14 · Complete (CIB) $84 · Sealed (new) $315. Prices updated August 2026.
Theme · LEGO Castle
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↘ Falling · -25%
Complete-in-box price history
Monthly CIB value, based on sold comps.
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Item details
- UPC / EAN
- 0042884060572
- Brand
- LEGO
- Theme
- LEGO Castle
- Set number
- #6057
- Release date
- January 1, 1992
Sea Serpent #6057 (LEGO Castle) resale value
A loose Sea Serpent #6057 set runs around $14, a complete copy (all pieces + box + instructions) about $84, and a factory-sealed box commands $315.
What drives the price
Retired sets, completeness (every piece + minifigs + instructions + box), and sealed condition drive LEGO value. Exclusive sets and discontinued themes appreciate the most; minifigs alone can carry significant value.
Price guide
What this actually trades for — sold values by condition vs. what sellers are asking today
| Condition | Value | Based on |
|---|---|---|
| Loose | $14 | eBay sold comps |
| Complete (CIB) | $84 | eBay sold comps |
| Sealed (new) | $315 | eBay sold comps |
Frequently asked questions
- What is the best deal for a collector looking to display the set?
- The Complete (CIB) version at $75 offers excellent value compared to the sealed price of $282.
- Is the loose version still a good option for building?
- Yes, the loose version is available for only $14, making it budget-friendly for builders.
- How much more is the sealed version compared to the complete version?
- The sealed version is $207 more expensive than the Complete (CIB) version.