# Bikini Bottom Undersea Party #3818 worth

Based on the catalog data provided, the **Bikini Bottom Undersea Party #3818 — LEGO Spongebob Squarepants Set Value** has a used sold price of $120.51, with a new price listed at $329.50. The second item, **LEGO Bikini Bottom Undersea Party (3818-1) (SpongeBob SquarePants)**, is currently unpriced in the catalog.

## Items referenced

| Item | Used | New | Page | Sold comps |
| --- | --- | --- | --- | --- |
| Bikini Bottom Undersea Party #3818 — LEGO Spongebob Squarepants Set Value | $120.51 | $329.5 | [view](https://junkpal.ai/products/bikini-bottom-undersea-party-3818-lego-spongebob-squarepants-lego) | [eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DBikini%2520Bottom%2520Undersea%2520Party%2520%25233818%26LH_Sold%3D1%26LH_Complete%3D1%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-answer-sold&p=md-answer-sold) |
| LEGO Bikini Bottom Undersea Party (3818-1) | — | — | [view](https://junkpal.ai/products/lego-3818-1) | [eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DLEGO%2520Bikini%2520Bottom%2520Undersea%2520Party%2520(3818-1)%26LH_Sold%3D1%26LH_Complete%3D1%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-answer-sold&p=md-answer-sold) |

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_Updated 2026-07-23._

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Source: [https://junkpal.ai/answers/bikini-bottom-undersea-party-3818-worth](https://junkpal.ai/answers/bikini-bottom-undersea-party-3818-worth) · JunkPal price guide (junkpal.ai)
Values are medians of real closed eBay sales — estimates for reference, not offers or appraisals.
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