LEGO 70411 Treasure Island is a Pirates set valued at $95 for new and sealed sets, up 373% from an original retail price of $19.99. The set retired in December 2015 with annual appreciation averaging 7.33% since. On the used market, values range from $44 to $56 based on condition. Secondary market prices for new and sealed sets typically fall between $90 and $115.
LEGO 70411 Treasure Island is a Pirates set released in 2015, containing 181 pieces and 3 minifigures. It includes a pirate queen, a rogue pirate, and a Bluecoat Soldier, plus a small island with a secret cave and treasure chest, a skull gate opened by a tilting palm tree mechanism, an armed rowboat, and a crocodile. The build centers on a hidden stash defended by traps and a boat-borne raider. The set is designed to combine with 70409 Shipwreck Defense for expanded play.
A new and sealed Treasure Island is currently valued at around $95, with annual growth of approximately 5%, which is lower than other Pirates sets. The average used price is $47 for those in good overall condition. New and sealed listings currently range from $91 to $116. While long-term growth remains positive, recent trends indicate the rate of appreciation is slowing. The set was available for 9 months, from March 2015 to December 2015.