If you’ve ever wondered what kind of waterfront retreat a tech titan might choose for a coastal escape, well, wonder no more. A sprawling estate on Florida’s ultra-exclusive Jupiter Island once owned by billionaire Bill Gates has just hit the market for a cool $23.5 million. And yes, it’s every bit the tech-savvy sanctuary you’d imagine.
The property was originally scooped up in 2009 by the Microsoft co-founder’s investment entity, Front Range Investment Holdings, for $5…

