DockOnly™

The only MLS search built exclusively for boaters. Find your dock home.

Company

  • About
  • Contact
  • Blog

Search

  • By City
  • By County
  • Dockominiums

Services

  • Marine Services
  • Dock Builders
  • Find Contractors

For Agents

  • Become a Partner
  • Referral Program
  • Featured Listings

Legal

  • Privacy Policy
  • Terms of Use
  • MLS Compliance

© 2026 DockOnly™. All rights reserved.

DockOnly™ and Dock Score™ are trademarks of Blue Mar Real Estate Group Inc.

Blue Mar Real Estate Group Inc., Licensed Florida Real Estate Broker

Blue Mar Real Estate Group Inc.

Licensed Florida Real Estate Broker · DBPR License CQ1018554

4000 Ponce De Leon Blvd, Suite 470, Coral Gables, FL 33146

[email protected]

Listing data is provided by participating Multiple Listing Services and is deemed reliable but not guaranteed. Each listing's MLS source and its required disclosures appear with that listing. Dock Score™ is a DockOnly.com rating and is not provided by or affiliated with any MLS or listing broker. NOAA chart data is public domain and for reference only, not for navigation. Full MLS Compliance

DockOnly and Blue Mar Real Estate Group are committed to ensuring digital accessibility for individuals with disabilities. We are continuously working to improve the accessibility of our web experience for everyone, and we welcome feedback and accommodation requests. If you wish to report an issue or seek an accommodation, please let us know.

Equal Housing OpportunityEqual Housing Opportunity

This website complies with the Fair Housing Act. We do not discriminate on the basis of race, color, religion, sex, national origin, familial status, or disability.

DockOnly™Blue Mar Real Estate Group Inc., Licensed Florida Real Estate BrokerBlue MarREAL ESTATE GROUPBlue Mar Real Estate Group Inc., Licensed Florida Real Estate Broker
SearchMarketsDockominiums
SearchMarketsDockominiumsSaved
Real Estate Agents
Home
SearchSaved
Back to Search
16750 Old State Road 4A photo 1
16750 Old State Road 4A photo 2
16750 Old State Road 4A photo 3
16750 Old State Road 4A photo 4
16750 Old State Road 4A photo 5
16750 Old State Road 4A photo 6
16750 Old State Road 4A photo 7
16750 Old State Road 4A photo 8
16750 Old State Road 4A photo 9
16750 Old State Road 4A photo 10
16750 Old State Road 4A photo 11
16750 Old State Road 4A photo 12
16750 Old State Road 4A photo 13
16750 Old State Road 4A photo 14
16750 Old State Road 4A photo 15
16750 Old State Road 4A photo 16
16750 Old State Road 4A photo 17
16750 Old State Road 4A photo 18
16750 Old State Road 4A photo 19
16750 Old State Road 4A photo 20
16750 Old State Road 4A photo 21
16750 Old State Road 4A photo 22
16750 Old State Road 4A photo 23
16750 Old State Road 4A photo 24
16750 Old State Road 4A photo 25
1 / 25
16750 Old State Road 4A
25 photos
16750 Old State Road 4A photo 2
16750 Old State Road 4A photo 3
16750 Old State Road 4A photo 4
16750 Old State Road 4A photo 5
+20

16750 Old State Road 4A

Sugarloaf Key, FL, 33042

Active

$8,995,000

16750 Old State Road 4A

Sugarloaf Key, FL, 33042

Active

$8,995,000

6

Bedrooms

5

Bathrooms

5,208 sqft

Living Area

1959

Year Built

$8,995,000Tour the dockSchedule a Showing
Navigation note: Navigation routes show the shortest mapped path to open water. A vessel taller than the binding bridge clearance may still reach open water via a longer alternate route that we don't currently map. Verify navigability with a local captain or surveyor before relying on it.

101,536

Lot Size (sqft)

247

Days on Market

Dock Score™

DockOnly
71
Good

What shaped this score

✓Ocean Access
✓Dock present
✓Fits boats up to ~100ft+ (est.)
✓Bridge-free to ocean
·Draft not independently verified

DockOnly.com rating, not provided by the MLS or listing broker.

Dock & Water AccessMLS

OceanfrontOpen Water

AI Aerial Imagery Detection

Dock DetectedSeawall Detected~85-115 ft dock

Detected by AI from open-source aerial mapping imagery and may not reflect current conditions. This information was not provided by the MLS or listing broker. Always verify dock infrastructure with the listing agent.

Navigation RouteDockOnly

Data sources: SFWMD AHED waterway polygons · FHWA National Bridge Inventory 2024 · Not provided by the MLS or listing broker.

Description

Introducing Blue Water Lagoon Estate! Experience unmatched privacy and exceptional waterfront living at this gated 2.33-acre oceanfront estate in exclusive Sugarloaf Beach — a location famously featured in the film ''True Lies''. Designed for the avid boater and those seeking a resort-style lifestyle, this 5,208 sq. ft. residence offers rare amenities and direct access to world-class fishing and diving. A protected 6-boat basin with room for extra boats is the centerpiece of the waterfront, complete with 25K and 16K lifts, a boat ramp, sandy beach, lookout point, and composite observation deck. After a day on the water, unwind in the lagoon-style saltwater pool with heater, chiller, and custom water features. The expansive tiki bar includes TVs, True refrigerator/freezer drawers, and an ice machine—perfect for effortless outdoor entertaining. Additional features include a firepit, private sandy beach, and a full outdoor kitchen equipped with built-in BBQ, Viking appliances, and True refrigeration. The upper level offers a bright and open Great Room with sweeping ocean views, a spacious dining area, and a chef's kitchen with stainless appliances. Two covered verandas provide ideal spaces for taking in the breezes and panoramic vistas. The primary suite features an office, en suite bath, walk-in closet with laundry, sunroom, and loft. Two additional upstairs guest rooms comfortably accommodate visitors, while the separate downstairs living area offers three more guest bedrooms for privacy and flexibility. Designed for hosting and convenience, the home is equipped with a Sonos sound system, property-wide Wi-Fi, abundant storage, a two-car garage with fishing lockers, and generous parking along a winding paver driveway. Lush, mature landscaping surrounds the property, creating a serene and secluded Sugarloaf Key retreat. Call for more information today!

Schedule a Showing

See the property and tour the dock. A licensed waterfront specialist will arrange your private showing.

Select a date

Location

Sugarloaf Key, FL, 33042

No price history available for this property.

Displayed by Blue Mar Real Estate Group Inc., Licensed Florida Real Estate Broker (DBPR CQ1018554) · [email protected]

Listing courtesy of The Agency Florida Keys via Florida Keys MLS

Last updated: 6/29/2026

© 2026 Florida Keys Board of REALTORS®, Inc. All rights reserved. The data relating to real estate for sale on this website comes in part from the Internet Data Exchange (IDX) program of the Florida Keys Board of REALTORS®. Information is deemed reliable but not guaranteed and should be independently verified. All properties are subject to prior sale, change, or withdrawal.

IDX information is provided exclusively for consumers' personal, non-commercial use. It may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

Dock Score™

DockOnly
71
Good

What shaped this score

✓Ocean Access
✓Dock present
✓Fits boats up to ~100ft+ (est.)
✓Bridge-free to ocean
·Draft not independently verified

DockOnly.com rating, not provided by the MLS or listing broker.

Nearest Bridge Clearances

Florida Keys, critical for tall/large vessels

No bridge data available for this location.
FEMA Flood Zone AE
BFE: 11ft

Special Flood Hazard Area

View FEMA Flood Map →
Loading nearby marinas…
Loading nearby sandbars…

Mortgage Calculator

Estimate your monthly payment for this waterfront property

20%

$1,799,000 down

%
Principal & Interest$46,673/mo
Property Tax (est. ~1.2%, varies by county)$8,995/mo
Home Insurance (est.)$250/mo
Total Monthly Payment$55,918
Loan Amount: $7,196,000Rate: 6.75%
Get Pre-Qualified

Estimated payments only. Actual rates and terms may vary.

Similar Listings

88110 Overseas Hwy$6,999,000

88110 Overseas Hwy

Islamorada, FL

4 5 4,226 sqft

Courtesy of Berkshire Hathaway HomeServices Keys Real Estate - Islamorada via Florida Keys MLS

104 Coastal Dr$7,995,000

104 Coastal Dr

Key Largo, FL

5 8 6,083 sqft

Courtesy of American Caribbean Real Estate, Christie's International Real Estate via Florida Keys MLS

239 Tavernier Dr$7,099,000

239 Tavernier Dr

Tavernier, FL

5 4 3,026 sqft

Courtesy of Aria Luxe Inc via MIAMI REALTORS®

1101 Mastic Street$6,999,000

1101 Mastic Street

Islamorada, FL

8 6 3,649 sqft

Courtesy of Venture Realty Group via Florida Keys MLS

162 Bayview Dr$8,590,000

162 Bayview Dr

Islamorada, FL

8 10 5,392 sqft

Courtesy of Coldwell Banker Realty - Coral Gables via Florida Keys MLS

57 Garden Cove Dr$10,999,999

57 Garden Cove Dr

Key Largo, FL

6 6 5,113 sqft

Courtesy of Serhant Florida LLC - Coconut Grove via Florida Keys MLS

Swipe or use arrows to see more