One of his biggest splurges?

Theres also a theater, a glass-floor walkway, and a wraparound deck off the spa-style primary suite.

Each bedroom has a relaxation suite, while palm trees add privacy on the one-acre lot.

Exterior of the house

Top Ten Real Estate Deals

Once listed at $88M, Castro snagged the home at a steep discountstill leaving him $600M+ post-taxes.

The sharp lines, glossy black marble, and floor-to-ceiling glass give the home a bold, ultra-modern look.

LED-lit steps draw your eye straight to the oversized front door, framed in polished stone for dramatic effect.

A concrete courtyard with a selected area for plants.

On the right, a glass-walled showroom-style garage showcases high-end vehicles like works of art.

Tropical landscaping and soft lighting add warmth to the clean design, blending nature with high-end architecture.

Its a true statement entrance for a billionaires dream home.

A view of the house from the back.

The hilltop location adds total privacy and panoramic views of Los Angeles.

The glass railing keeps the views wide open, making the whole space feel endless.

Behind it all, the homes massive glass walls pull the outdoors in.

A patio with bench seating, a fireplace, and a swimming pool.

Its the kind of backyard most people only see in movies.

Beyond them, the city skyline stretches out in full detailfrom high-rises to hillsunder a pastel sunset sky.

There are no fences, no distractionsjust open space and endless views.

A paved walkway leading to the swimming pool.

Neutral-toned sofas and chairs create a stylish but relaxed vibe, perfect for entertaining or enjoying a quiet morning.

Framed by towering glass walls and black marble columns, this space feels like an extension of the indoors.

Plush sofas with fur throws and striped cushions invite you to sit back and soak it all in.

A patio with couches and a center table, with walkways leading to a swimming pool.

The marble-tiled flooring adds a polished touch, while the glass railing keeps the view wide and uninterrupted.

A single palm in a sculptural planter adds just the right amount of greenery.

Whether its day or night, this spot is made for feeling on top of the world.

balcony with couches and a center table.

A shallow reflecting pool runs along the entry path, adding elegance and a touch of calm.

Its the kind of front door you dont just walk throughyou experience it.

A sleek fireplace is built into a tall black accent wall, balancing warmth and drama.

A front entry with blue lights on marble floors.

Its modern, elegant, and effortlessly grand.

High-gloss marble floors and a glass ceiling overhead bounce light around, making the entire area glow.

Colorful, oversized artwork lines the walls, adding energy and personality.

A living room with white walls, white flooring, and a white ceiling, furnished with couches and a center table.

Whether its sunrise or sunset, this room gives you a perfect seat to watch it all.

Its the perfect mix of cozy and coollike your own private screening room with a five-star feel.

Backlit shelves highlight the collection, giving the space a warm, golden glow.

A sitting area connected to the main living room.

Dark wood shelving stretches from floor to ceiling, neatly displaying hundreds of bottles.

In the center, a polished black marble island offers a spot to pour and taste.

The clean white floors and reflective surfaces keep it feeling bright and modern.

A sunroom with couches, a center table, and a full-height glass sliding door connected to the pool

A massive tufted bed, covered in plush textures and soft neutrals, anchors the space in comfort.

Floor-to-ceiling glass doors slide open to a private balcony with panoramic views of the city skyline.

Natural light floods the room, while rich wood floors and oversized plants bring warmth and life.

A home theater filled with blue couches and full-height glass walls

Its more than a place to sleepits a personal retreat that feels like a five-star suite.

Its private, elegant, and made to show off your wardrobe in style.

Overhead, a golden chandelier adds sparkle and elegance without overpowering the clean, modern lines.

A bar with chairs, a marble countertop, and a wine and glass rack.

With this kind of setup, every day startsand endslike a visit to a five-star spa.

All photos are used with permission fromTopTenRealEstateDeals.com.

A wine cellar with a marble floor, glass door, wine rack, and a center island.

A bedroom with a TV, fireplace, and a floor-to-ceiling sliding glass door connected to the balcony.

A walk-in closet with wooden cabinets and a bench in the center.

A bathroom with marbled floors and walls, a bathtub in the middle, and a large glass window.