A private retreat is up for auction in the Turks and Caicos Islands that's believed to be the only remaining property in Prince's real estate portfolio.

A New York auction house is taking sealed bids on the 5.7-acre (23,000 sq.-meter) property which is surrounded by water on three sides and includes several structures totaling more than 10,000 square feet (930 sq. meters).

The Star Tribune says the property includes two private beaches, a marina and a long, winding driveway painted purple. Prince bought the property in 2011 for $13 million.

The property is expected sell for at least $15 million. The auction ends July 12.

Prince died of an accidental fentanyl overdose on April 21, 2016. His estate began selling his real estate holdings in late 2016.

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Information from: Star Tribune, http://www.startribune.com