LEGO 6276 Eldorado Fortress is a vintage Pirates set from 1989 valued at $3,023 for new and sealed sets, up 4939% from an original retail price of $59.99. Annual appreciation has averaged 7.82% since release. Used copies are valued between $216 and $277 depending on condition.
LEGO 6276 Eldorado Fortress is a Pirates set released in 1989, containing 506 pieces and 8 minifigures. The build depicts an Imperial outpost with a dock and rocky island sections, featuring a working crane, a jail, an underground treasure safe, Governor Broadside’s chambers, and firing cannons activated by pulling a rear rod. Named characters include Governor Broadside, Lieutenant de Martinet, Captain Redbeard, and Flashfork, alongside imperial soldiers and pirate minifigures.
In 2023, LEGO released 10320 Eldorado Fortress as a modern reimagining of the original set, updating the design while retaining the classic fort concept and character lineup. The set’s accessories include island treasure elements that support play around raids and defense.
A new and sealed Eldorado Fortress is currently valued at around $3,023, with annual growth of approximately 8%. The average used price is $231 for those in good overall condition. Based on current trends, this set could be valued near $3,240 within the next year.