The Lego set Bikini Bottom Undersea Party with the set number 3818 is part of the LEGO SpongeBob SquarePants theme and is recommended for ages 6 - 12. It was released in January 2012. It includes 4 minifigures. The model has 471 pieces, and we estimate it takes around 1 hour to build. 14 Brickfact users have this set in their collection.
The set weighs about 0.770 kg. The box measures 18.9 x 11.1 x 2.4 in (48 x 28.2 x 6.1 cm). The recommended retail price is $49.99.
The Part-Out-Value (POV) is the sum of the average prices paid on bricklink.com for all parts of this set. It is about $135.39.
Lego 3818 product data
Set Information
Availability
Release
01/2012
Retiring Status
Retired (12/2013)
Price Information
RRP
$49.99
Insiders Points (for purchase at Lego)
325
Part Out Value
$135.39
Packaging
Weight
0.770 kg
Packaging dimensions
18.9 x 11.1 x 2.4 in
EAN (GTIN13)
5702014842311
Popularity with Brickfact users
- users have this set
- 14
14 Brickfact users have Bikini Bottom Undersea Party in their collection.
Based on anonymized Brickfact user collections; shown only for sets with at least 10 users. As of November 3, 2026.
LEGO 3818 price trend
Average sale price on secondary marketplaces – not the new price at retailers.
- Current market value
- $289.07
- Growth vs. RRP
- +478 % $49.99
- Range
- $200.98 – $330.35
- Average
- $237.23
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Minifigures from 3818 Bikini Bottom Undersea Party
The Bikini Bottom Undersea Party set includes 4 different minifigures, 4 of which are unique to this set. The combined value of the minifigures is $54.74, which is ~110% of the RRP of this set.
x1
Squidward Tentacles
SpongeBob SquarePants
2012
#bob035
$10.02
i
Unique
x1
Spongebob Squarepants
SpongeBob SquarePants
2012
#bob036
$7.10
Unique
x1
Patrick Star
SpongeBob SquarePants
2012
#bob037
$13.08
Unique
x1
Mrs Puff
SpongeBob SquarePants
2012
#bob038
$24.54
Unique
Part Lists for LEGO 3818 Bikini Bottom Undersea Party
LEGO 3818 Frequently Asked Questions
Is LEGO 3818 still available?
LEGO has retired 3818 Bikini Bottom Undersea Party, and no retailer in our price comparison currently sells it new. Its market value on secondary marketplaces is $289.07.
