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Luxury Florida Keys Homes for Sale over $10 million

Aerial view of a Florida Keys waterfront estate

My Florida Keys Luxury Homes page draws the line at $3 million. That's already the good stuff. But somewhere north of that number, there's a door that costs $10 million to walk through, and it opens onto a different planet entirely.

The Ten Million Dollar Room

At $3 million, you get the Florida Keys lifestyle. At $10 million, you get the version of it that only shows up in other people's vacation photos. We're talking docks that scoff at a center console, pools that blur into the ocean like an infinity edge had a wilder cousin, and a kitchen so over-engineered it was clearly never meant for anyone who actually cooks.

Guest houses show up like a garnish. Wine rooms are basically mandatory. And the bathroom fixtures? They cost more than most people's cars, and they absolutely know it.

What You’re Really Buying

Forget square footage for a second. Here’s what $10 million actually buys in the Florida Keys. Champagne at sunset on your own dock instead of elbowing for a stool at someone else’s tiki bar. Lobster you caught that morning, plated by somebody who is absolutely not you. A boat ride to dinner instead of circling the block for parking like the rest of us.

It’s not a bigger version of the Keys lifestyle. It’s a whole different relationship with it, one where the word “inconvenient” simply isn’t in the vocabulary.

Would You Take the Deal?

Here’s the fun part. Would you rather have one $10 million home in the Florida Keys, or three separate $3 million homes scattered across the islands?

One gets you the wine room and a dock built for something with helipad energy. Three gets you options, room for houseguests you might actually enjoy, and probably better numbers if you ever rent it out. Drop your answer in the comments, I want to know who’s Team One Mansion and who’s Team Real Estate Portfolio.

Frequently Asked Questions

What does $10 million buy in the Florida Keys?
At this price point, homes typically include private deepwater docks, open ocean or bay frontage, guest houses, and high-end finishes throughout. Lot size and waterfront access tend to matter as much as square footage.

Are there off-market homes priced above $10 million in the Florida Keys?
Yes. Sellers at this level often prefer privacy and choose not to publicly list. Working with a local agent who has access to off-market and upcoming listings is usually the best way to find them.

Is $10 million the top of the Florida Keys market?
No. The Florida Keys has seen single family home sales well above that figure. $10 million marks a meaningful tier, not a ceiling.

Can I actually afford a $10 million home in the Florida Keys?
Probably not, and neither can most people, which is basically the whole premise of this page. If the number ever stops sounding like a punchline, the Florida Keys Luxury Homes page starts at a much friendlier $3 million.

If a place like this is the dream, my Florida Keys Luxury Homes page covers everything starting at $3 million. If you’d rather keep both feet on the ground, and your bank account intact, you can browse everything currently for sale across the Florida Keys on the homepage.

Currently Available

Alright, enough talk. This is one of the smallest, most exclusive slices of the entire Florida Keys market, so what’s below is basically the guest list. It reflects what’s active right now, though some of the best homes at this level never show up here at all, since sellers with this kind of money tend to guard their privacy the way the rest of us guard our Wi-Fi password. If that’s the kind of home you’re after, skip the search bar and just call me.

[IDX WIDGET: saved search feed, price minimum $10,000,000, property type Single Family, no maximum]

350 Buttonwood Bight Ln, Tavernier image
350 Buttonwood Bight Ln, Tavernier $14,000,000

The most sought-after bay in all the Florida Keys, and one of the largest properties on it. This true double lot spans 1.3 acres with more than 250' of bayfront facing du...

  • 5 Beds
  • 4 Baths
  • 621096 MLS
201 W Seaview Dr, Duck Key image
201 W Seaview Dr, Duck Key $14,500,000

Welcome to this extraordinary oceanfront estate, gracefully positioned on an oversized 17,900sqft point lot within prestigious Plantation Island, tucked away at the end o...

  • 3 Beds
  • 4 Baths
  • 621038 MLS
75751 Overseas Hwy, Islamorada image
75751 Overseas Hwy, Islamorada $11,000,000

Extraordinary opportunity to own one of the Florida Keys' most spectacular oceanfront residences. Set along a breathtaking stretch of pristine shoreline, this remarkable ...

  • 5 Beds
  • 5 Baths
  • 620965 MLS
1 E Sister Rock Is, Marathon image
1 E Sister Rock Is, Marathon $16,000,000

Own an entire private island in the heart of the Florida Keys. Located just ¼ mile offshore from Marathon, East Sister Rock Island offers extraordinary privacy surrounded...

  • 4 Beds
  • 3 Baths
  • 620952 MLS
32 Sunset, Key West image
32 Sunset, Key West $12,500,000

A distinguished offering on one of Key West's most coveted private island enclaves, 32 Sunset Key Drive embodies the ease, elegance, and exclusivity of waterfront living....

  • 6 Beds
  • 7 Baths
  • 620770 MLS
77350 Overseas Hwy, Islamorada image
77350 Overseas Hwy, Islamorada $11,700,000

Sunset Sanctuary. Natural beauty and captivating sunsets of the Florida Keys define this newly completed gated waterfront estate on Lower Matecumbe Key. Surrounded by a s...

  • 6 Beds
  • 8 Baths
  • 620680 MLS
119 Coco Plum Dr, Marathon image
119 Coco Plum Dr, Marathon $15,000,000

Welcome to Palacio Coco Plum. Discover Your Florida Keys Oasis! Spectacular Ocean Front home in Marathon, the heart of the Florida Keys. This stunning property boasts l...

  • 5 Beds
  • 5 Baths
  • 620594 MLS
19 Avacado St, Islamorada image
19 Avacado St, Islamorada $13,750,000

Situated on one of Islamorada's premier and most sought-after bayfront streets, in the heart of Islamorada, this custom-designed poured concrete waterfront estate by reno...

  • 5 Beds
  • 7 Baths
  • 620590 MLS
57733 Morton St, Marathon image
57733 Morton St, Marathon $14,995,000

Welcome to Morton Manor, an exceptional gulf-side waterfront estate set on 2.82 private acres where luxury, privacy, and resort-style living come together in this extraor...

  • 11 Beds
  • 9 Baths
  • 620489 MLS
Howell Ky, Summerland image
Howell Ky, Summerland $16,900,000

Discover one of the Florida Keys' most extraordinary private island retreats. Encompassing 9.69 acres of pristine tropical landscape, Howell Key offers an unparalleled op...

  • 5 Beds
  • 4 Baths
  • 620413 MLS
16 Seaside Ave, Key Largo image
16 Seaside Ave, Key Largo $11,750,000

Beyond the gates lies an oceanfront estate whose finest qualities extend far beyond what you have seen! From its protected private marina offering 6 boat slips and fu...

  • 7 Beds
  • 9 Baths
  • 620408 MLS
94 Driftwood Dr, Key Haven image
94 Driftwood Dr, Key Haven $12,500,000

Where the essence of the Florida Keys meets refined coastal luxury. Widely regarded as one of Key Haven's finest waterfront residences, 94 Driftwood Drive is a rare Gulf-...

  • 5 Beds
  • 6 Baths
  • 620398 MLS
75090 Overseas Hwy, Islamorada image
75090 Overseas Hwy, Islamorada $29,000,000

Villa Lago is an Italian-inspired waterfront estate positioned along 220 feet of pristine Florida Bay frontage in Islamorada. Offering 8,194 SF of living space on 1 acre ...

  • 4 Beds
  • 6 Baths
  • 620394 MLS
139 Gimpy Gulch Dr, Islamorada image
139 Gimpy Gulch Dr, Islamorada $13,900,000 ▼

Yes, you can have it all! This one-of-a-kind 3.2 acre Islamorada bayfront estate offers a new boat dock, more than 250 feet of sandy wade-in bayfront shoreline, two full ...

  • 6 Beds
  • 9 Baths
  • 620077 MLS
89401 Old Hwy, Tavernier image
89401 Old Hwy, Tavernier $13,500,000 ▼

Private Helicopter Estate in the Florida Keys. Behind private gates on prestigious Million Air Row, this exceptional oceanfront estate spans nearly 2.5 acres and offer...

  • 8 Beds
  • 8 Baths
  • 620067 MLS
89505 Old Hwy, Tavernier image
89505 Old Hwy, Tavernier $26,400,000

Escape to Palm Paradise, a breathtaking oceanfront estate on 7.64 private acres in Islamorada, offering 369 feet of shoreline and sweeping Atlantic views. Tucked behind g...

  • 7 Beds
  • 10 Baths
  • 620022 MLS
57783 Morton St, Marathon image
57783 Morton St, Marathon $29,500,000

Newly Built Gulf-front Sanctuary with Panoramic Views, Guest and Pool Houses, Luxe Outdoor Living, and a Deepwater Navigable Dock. Set on 3 secluded acres+/- along one...

  • 10 Beds
  • 13 Baths
  • 619972 MLS
31 Sea Lore Ln, Shark Key image
31 Sea Lore Ln, Shark Key $12,500,000

This is set to become one of the most striking homes on Shark Key and it's already underway. A rare opportunity to own a completely brand new waterfront home in one of th...

  • 6 Beds
  • 7 Baths
  • 619953 MLS
88835 & 88845 Old Hwy, Tavernier image
88835 & 88845 Old Hwy, Tavernier $40,000,000

A rare dual-offering on coveted Millionaire's Row in Tavernier, this extraordinary oceanfront compound spans over multiple acres across two parcels-delivering an unmatche...

  • 8 Beds
  • 11 Baths
  • 619826 MLS
88845 Old Hwy, Tavernier image
88845 Old Hwy, Tavernier $27,000,000

Set on over 2 acres along prestigious Millionaire's Row in Tavernier, this newly constructed oceanfront estate represents a rare convergence of scale, design, and functio...

  • 5 Beds
  • 8 Baths
  • 619825 MLS
88835 Old Hwy, Tavernier image
88835 Old Hwy, Tavernier $15,000,000

An exceptional opportunity on coveted Millionaire's Row in Tavernier, 88835 Old Highway offers over 3 acres of oceanfront property paired with a rare additional acre feat...

  • 3 Beds
  • 3 Baths
  • 619824 MLS
75840 Overseas Hwy, Islamorada image
75840 Overseas Hwy, Islamorada $12,950,000 ▼

LUXURY BEACHFRONT ESTATE HOME! Come embrace this brand-new magnificent property where you will encounter a relaxing ambiance gracefully set on over 2 private acres of pri...

  • 7 Beds
  • 7 Baths
  • 619776 MLS
88351 Old Hwy, Islamorada image
88351 Old Hwy, Islamorada $14,990,000 ▼

Newly completed in 2025, this exceptional oceanfront estate is located in the heart of The Florida Keys on the premier ocean side of Islamorada. A gated entry welcomes yo...

  • 6 Beds
  • 9 Baths
  • 618911 MLS
20 Avacado St, Islamorada image
20 Avacado St, Islamorada $15,950,000

BAYSIDE, DEEP WATER, BREATHTAKING GULF VIEWS Welcome to one of Islamorada's premier rare bayside estate properties - a remarkable parcel that stretches from Overseas Hig...

  • 6 Beds
  • 8 Baths
  • 618816 MLS
2394 Coco Plum Dr, Marathon image
2394 Coco Plum Dr, Marathon $11,000,000

Welcome to an unparalleled collection of THREE designer residences on one of the most exclusive waterfront parcels in the Florida Keys. Located just steps from Coco Plum ...

  • 18 Beds
  • 21 Baths
  • 615103 MLS
79775 Overseas Hwy, Islamorada image
79775 Overseas Hwy, Islamorada $29,500,000

A once-in-a-lifetime opportunity to own one of South Florida's most iconic properties. Welcome to Tea Table Key, a breathtaking 15-acre private island estate, accessible...

  • 6 Beds
  • 6 Baths
  • 618152 MLS
57223 Morton St, Marathon image
57223 Morton St, Marathon $35,000,000

Zephyr Cove; the extravagant aquatically inspired retreat that you deserve. Located on the breathtaking waterfront nestled along the Gulf and designed and built by D'Asig...

  • 9 Beds
  • 10 Baths
  • 613902 MLS
81486 Overseas Hwy, Islamorada image
81486 Overseas Hwy, Islamorada $22,500,000

Introducing Isla House. A truly exceptional waterfront estate in the heart of downtown Islamorada, which exemplifies the serene beauty and elegance of Keys living. Set on...

  • 7 Beds
  • 9 Baths
  • 618525 MLS
186 & 165 Bayview Dr, Islamorada image
186 & 165 Bayview Dr, Islamorada $10,900,000

A refined expression of waterfront living, this six-bedroom, four-bath residence is set on a desirable over ½ acre lot with panoramic water views from every room. Offerin...

  • 6 Beds
  • 5 Baths
  • 618449 MLS
75280 Overseas Hwy, Islamorada image
75280 Overseas Hwy, Islamorada $11,000,000

Commanding 170 feet of private Florida Bay frontage, and situated on over and acre of precious Islamorada land, Eagle Point is a contemporary coastal estate that captures...

  • 4 Beds
  • 4 Baths
  • 616886 MLS
21540 21470 Overseas Hwy, Cudjoe image
21540 21470 Overseas Hwy, Cudjoe $12,999,999

Located on Cudjoe Key, only 20 miles from Key West. Transient use property, over 3.5 acres, 15 units (15 ROGO exemptions), over 300 feet of water frontage, boat basin, 3 ...

  • 31 Beds
  • 19 Baths
  • 610484 MLS
87895 Old Hwy, Islamorada image
87895 Old Hwy, Islamorada $24,995,000

Newly completed private oceanfront estate on 2+ acres in Plantation Key, offering an extraordinary combination of scale, privacy, dockage, and resort-style living in the ...

  • 5 Beds
  • 8 Baths
  • 617705 MLS
87429 Old Hwy, Islamorada image
87429 Old Hwy, Islamorada $18,999,000 ▼

The Oasis Islamorada is a waterfront estate of exceptional scale, conceived as a private Florida Keys compound where architecture, land and water come together spanning n...

  • 6 Beds
  • 8 Baths
  • 615643 MLS
301 Ixora St, Duck Key image
301 Ixora St, Duck Key $11,450,000 ▼

Welcome to Villa Splendida in exclusive Duck Key, Florida. This custom built estate has been curated from the gated entrances to the 180' of protected ocean front dockag...

  • 5 Beds
  • 7 Baths
  • 618181 MLS
15760 Old State Road 4a, Sugarloaf image
15760 Old State Road 4a, Sugarloaf $19,750,000

RARE PRIVATE SANDY BEACH | OCEANFRONT ESTATE | 30 MINUTES TO KEY WEST A truly extraordinary opportunity on coveted Sugarloaf Beach--over 5 acres of private oceanfront ...

  • 6 Beds
  • 7 Baths
  • 617534 MLS
57 Garden Cove Dr, Key Largo image
57 Garden Cove Dr, Key Largo $10,999,999 ▼

Introducing 57 Garden Cove Drive, a rare opportunity to own a private, resort-style Key Largo waterfront compound set on nearly 26,000 square feet of land, now OFFERED TO...

  • 6 Beds
  • 6 Baths
  • 617713 MLS

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