CAPE FLA SUB SEC 2
945 Mariner Drive, Key Biscayne FL 33149
6 beds · 6 baths · 5,191 ft²
6
Bedrooms
6
Bathrooms
5,191
Sq. Ft.
1983
Year Built
2
Garage
109
Days on Market
Description
Experience the ultimate Miami lifestyle in this stunning waterfront residence, featuring an extraordinary dock – a true boater’s paradise. Meticulously remodeled, this elegant home boasts spacious, open areas filled with natural light, great terraces, and impeccable finishes that capture the vibrant allure of Miami. Enjoy breathtaking views from nearly every room, bringing a sense of serenity and connection to the water. With 6 beautiful bedrooms, 6 baths, and a 2-car garage, it’s designed for both luxury and comfort. Outside, a gorgeous pool and a brand-new gazebo create the perfect setting for gatherings and relaxation. Situated on a serene private street in the exclusive paradise of Key Biscayne, this retreat truly offers the best of island living. Embrace your own private sanctuary.
Facts
- MLS#
- A11684771
- Subdivision
- CAPE FLA SUB SEC 2
- Property Type
- Residential
- Property Sub Type
- Single Family Residence
- Year Built
- 1983
- Lot Size
- 14,880 ft²
- Sq. Ft.
- 5,191 ft²
- Sq. Mt.
- 482 m²
- Price per sq. ft.
- $2,495/ft²
- Price per sq. mt.
- $26,867/m²
- Stories
- —
- Garage
- 2 spaces
- Pool
- —
- Days on Market
- 109 days
- Listed
- Nov 8, 2024
- Last Updated
- Apr 30, 2025
- Price/Lot Sq.Ft.
- $870/ft²
Comparable homes
Same ZIP, similar price + bedrooms.
SOLD$13,500,000
6 bd · 6 ba · 6,985 sqft
890 HARBOR DRIVE, Key Biscayne FL 33149
SOLD$14,250,000
6 bd · 7 ba · 6,373 sqft
900 HARBOR DRIVE, Key Biscayne FL 33149
SOLD$11,500,000
6 bd · 6 ba · 6,020 sqft
501 N Mashta Dr, Key Biscayne FL 33149
SOLD$13,250,000
5 bd · 5 ba · 3,620 sqft
640 S Mashta Dr, Key Biscayne FL 33149
SOLD$12,000,000
5 bd · 9 ba · 8,240 sqft
100 Cape Florida Dr, Key Biscayne FL 33149
SOLD$12,600,000
7 bd · 8 ba · 4,657 sqft
200 Knollwood Dr, Key Biscayne FL 33149
SOLD$14,995,000
6 bd · 6 ba · 4,414 sqft
470 W Matheson Dr, Key Biscayne FL 33149
SOLD$13,870,000
5 bd · 6 ba · 8,435 sqft
445 Grand Bay Dr # 1A, Key Biscayne FL 33149
Market insights for Key Biscayne
Live MLS-derived activity. Forecast is a conservative rule-of-thumb estimate — not a guarantee.
Sellers market
August 2026
49
Median days to sold
+4.5%
1-year price forecast (est.)
Price & tax history
From the live MIAMI MLS feed. Older history requires the ListingHistory resource (not yet enabled).
| 4/30/2025 | Sold | $12,950,000 |
| 2/20/2025 | Price change | $12,950,000-10.5% |
| 11/8/2024 | Listed for sale | $14,475,000 |
History reflects fields present on the live MLS record. Full multi-year history requires the MIAMI ListingHistory resource (not yet enabled).
Location
Estimated Monthly Payment
$79,867/mo
Principal & Interest
$68,925
Property Tax
$10,792
Insurance
$150
HOA
$0
Estimates only. Actual payment depends on credit, lender, insurance carrier, and FL/Miami-Dade specifics. Contact Rangely for a precise quote.
The data relating to real estate for sale on this website comes in part from the Southeast Florida Multiple Listing Service. MLS Data is deemed reliable, but is not guaranteed accurate by MIAMI REALTORS®.
Accuracy of listing information is not guaranteed. Listing information is provided for personal consumer, non-commercial use, solely to identify potential properties for potential purchase. All other use is strictly prohibited and may be a violation of federal and state law.
Copyright Southeast Florida MLS a/k/a SEFMLS © 2026.
Updated within 24 hours
Similar listings nearby
More homes in Key Biscayne around $12,950,000.
161 Cape Florida Drive, Key Biscayne FL 33149
31 Island Dr, Key Biscayne FL 33149
350 E Ocean Dr # 301N, Key Biscayne FL 33149
350 Ocean Dr # 701N, Key Biscayne FL 33149
420 Island Dr, Key Biscayne FL 33149
625 Curtiswood Dr, Key Biscayne FL 33149