The World's Most Expensive Islands: Inside Ultra-Wealthy Buyers' Real Estate Portfolio

When it comes to luxury real estate, few investments capture the imagination quite like private island ownership. The most expensive island in the world represents not just a vacation destination, but a statement of wealth and power. Over the past decade, billionaires and celebrities have spent billions acquiring some of the planet’s most exclusive island properties, each offering unique opportunities for development, privacy, and investment returns.

Skorpios Island: Setting the Record for Extreme Luxury Pricing

The crown jewel among the most expensive island acquisitions belongs to Greek island Skorpios, which sold for a staggering $150 million. This 74-acre estate, famous for its historical significance as the wedding site of shipping magnate Aristotle Onassis and Jackie Kennedy, attracted competition from some of the world’s most recognizable names — including Bill Gates, Giorgio Armani, and Madonna. However, the property ultimately went to Ekaterina Rybolovlev, daughter of Russian billionaire Dmitry Rybolovlev, who secured both Skorpios and its neighboring islet Sparti. This acquisition underscores how ultra-wealthy individuals are willing to pay premium prices for properties with legendary provenance and established prestige.

Caribbean Gateway: Premium Island Developments in Bahamas and Puerto Rico

The Bahamas has emerged as a hotspot for expensive island purchases among entertainment industry figures. Singer Shakira, alongside collaborators including Pink Floyd’s Roger Waters and Spanish artist Alejandro Sanz, pooled resources to acquire Bonds Cay for approximately $16 million. The 700-acre property features five pristine beaches and three salt pond lakes, positioned 120 miles off Florida’s eastern coast. The ownership trio has ambitious plans to transform the island into an eco-conscious luxury retreat and creative artists’ sanctuary, reflecting a broader trend of combining personal use with hospitality development.

Similarly, technology entrepreneur Larry Page — co-founder of Google — purchased Cayo Norte in 2018 for $32 million through a specialized LLC structure. As the largest privately owned island in Puerto Rico, this tropical property attracts visitors with its white-sand beaches, thriving coral reef ecosystems, and wildlife including endangered sea turtle populations, positioning it among the most expensive island investments in the Caribbean region.

Pacific and North American Estates: Diverse Investment Strategies

Oracle co-founder Larry Ellison’s acquisition of 98% of Lanai, Hawaii’s 141-square-mile island for approximately $500 million represents one of the largest private island transactions ever completed. Unlike a purely personal playground, Ellison’s strategy prioritized infrastructure development and community enhancement for the island’s 3,000+ residents. The property, featuring nearly 50 miles of coastline, now hosts several Four Seasons luxury resorts, demonstrating how the world’s most expensive islands often serve dual purposes as both personal retreats and commercial hospitality operations.

In Canada, singer Celine Dion’s Île Gagnon on the Rivière des Mille Îles in Quebec exemplified European-inspired luxury estate design. Her French Norman chateau-style mansion, accessible via private gated bridge, represented the pinnacle of North American private island living until she divested the property in 2016 for $25.5 million. The transaction highlighted how even prestigious island properties can fluctuate in value and appeal over time.

Investment Landscape: Why Billionaires Chase Extreme Island Properties

The trend of acquiring the world’s most expensive islands reveals important insights about ultra-wealth investment patterns. Buyers view these acquisitions through multiple lenses: personal privacy and exclusive lifestyle, family legacy and historical significance, potential development and commercial returns, and diversified real estate portfolios spanning multiple continents. As demonstrated by these five transformative purchases, the most expensive island in the world often becomes not merely a residence, but a strategic asset and lasting monument to entrepreneurial achievement.