Despite the seeming seclusion, it's only a 20-minute drive to Palm Beach.
Bird and butterfly gardens complete the effect of feeling like you're in a wildlife paradise.
A half-basketball court is secluded in its own tropical forest.
There's a tennis court on-site, but in case you need a full country club experience, residents of Manalapan are deeded into access to the nearby Eau Palm Beach resort.
Two beach cottages and a manager's office complete the set of buildings.
The seven-bedroom guest house is a full mansion in its own right.
Lush landscaping surrounds the pool area — but if you are in the mood for the beach, there's 1,200 feet of it just steps away.
The Ziff family has owned the compound since 1985, according to public records. In 2002, it was fully remodeled and updated.
Originally built in the 1940s, the estate has been home to a string of elite owners, including heiress Gloria Guinness.
In case the property were to get cut off from the mainland, it's fully equipped to function independently, with generators and propane supplies all set up if needed.
The look is "tropical Florida," with lots of dark woods, natural coral, shell-stone, marble, and other fossil stones incorporated in the design.
The main house is the centerpiece of the compound, encompassing 62,000 square feet. It boasts a "museum-quality" climate-control system, top-notch security system, cell phone signal booster, and not one, but two elevators.
A PGA-standard golf practice area means you never have to leave the private island to work on your drive. You'll also find a freshwater pond, bird sanctuary, and "sports complex" with tennis, basketball, mini golf, and playground setups. To top it off, there's a butterfly garden complete with model train, and a fully-furnished underground tunnel connecting different parts of the compound.
The property includes a 12-bedroom main home, as well as a seven-bedroom guest house, two "ocean cottages," a manager's house and office, and a tree house. It makes for a grand total of 84,988 square feet of interior space.
Gemini spans the width of a barrier island in Manalapan, just south of Palm Beach. That means it has private waterfront access on both the ocean and river sides — not to mention plenty of green space.
