CAPE FLA SUB SEC 2
980 Mariner Dr, Key Biscayne FL 33149
4 beds · 4 baths · 3,098 ft²
$8,500,000
Est. Payment $45,241/mo
4
Bedrooms
4
Bathrooms
3,098
Sq. Ft.
1969
Year Built
3
Garage
48
Days on Market
Description
Elegant waterfront residence with perfect island feeling.Totally updated home, 4 bed - 4 Baths plus Maid quarters. Cape Florida area is one of the most beautiful locations in key Biscayne specially Mariner Street is a cul de sac private street. Amazing 14,100 SQ. FT. Lot, 86,7 feet of sea wall and private Dock.
Facts
- MLS#
- A11214395
- Subdivision
- CAPE FLA SUB SEC 2
- Property Type
- Residential
- Property Sub Type
- Single Family Residence
- Year Built
- 1969
- Lot Size
- 14,070 ft²
- Sq. Ft.
- 3,098 ft²
- Sq. Mt.
- 288 m²
- Price per sq. ft.
- $2,744/ft²
- Price per sq. mt.
- $29,514/m²
- Stories
- —
- Garage
- 3 spaces
- Pool
- —
- Days on Market
- 48 days
- Listed
- May 31, 2022
- Last Updated
- Aug 22, 2022
- Price/Lot Sq.Ft.
- $604/ft²
Comparable homes
Same ZIP, similar price + bedrooms.
SOLD$8,750,000
4 bd · 6 ba · 3,798 sqft
360 Ocean Dr # 301S, Key Biscayne FL 33149
SOLD$8,199,000
4 bd · 6 ba · 3,354 sqft
360 Ocean Dr # 902S, Key Biscayne FL 33149
SOLD$8,900,000
4 bd · 6 ba · 3,354 sqft
360 Ocean Dr # 1002S, Key Biscayne FL 33149
SOLD$8,500,000
3 bd · 5 ba · 3,369 sqft
350 Ocean Dr # 1002N, Key Biscayne FL 33149
SOLD$7,490,000
4 bd · 5 ba · 4,410 sqft
531 S Mashta Dr, Key Biscayne FL 33149
SOLD$8,890,000
5 bd · 6 ba · 4,502 sqft
110 Cape Florida Dr, Key Biscayne FL 33149
$7,950,000
5 bd · 5 ba · 4,166 sqft
545 SABAL PALM, Key Biscayne FL 33149
SOLD$9,500,000
5 bd · 4 ba · 4,299 sqft
151 Cape Florida Dr, 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
May 2026
77
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).
| 8/22/2022 | Sold | $8,500,000 |
| 5/31/2022 | Listed for sale | $8,500,000 |
History reflects fields present on the live MLS record. Full multi-year history requires the MIAMI ListingHistory resource (not yet enabled).
Location
GreatSchools Summary Ratings
Public + private K-12 schools within 5 miles of this listing.
Eagle Ridge Elementary SchoolPK,KG,1,2,3,4,5 · public · 0.5 mi
- Parkridge Christian Academy
PK,KG,1,2,3,4,5,6,7,8 · private · 0.7 mi
- Parkridge Christian Academy
PK,TK,KG,1,2,3,4,5,6,7,8 · private · 0.7 mi
- Atlantis Academy
1,2,3,4,5,6,7,8,9,10,11,12 · private · 0.7 mi
- Leadership Academy
KG,1,2,3,4,5,6,7,8,9,10,11,12 · private · 0.7 mi
- SUMMIT ACADEMY CHARTER SCHOOL-5320
KG,1,2,3,4,5,6,7,8 · charter · 0.8 mi
- Atlantis Academy
KG,1,2,3,4,5,6,7,8,9,10,11,12 · private · 0.8 mi
- Country Hills Elementary School
PK,KG,1,2,3,4,5 · public · 1.1 mi
- Score at the Top Coral Springs LLC
8,9,10,11,12 · private · 1.2 mi
- Sweet and Smart Montessori School
PK,TK,KG,1 · private · 1.2 mi
Data provided by GreatSchools.org © 2026. All rights reserved.Estimated Monthly Payment
$52,474/mo
Principal & Interest
$45,241
Property Tax
$7,083
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 $8,500,000.
31 Island Dr, Key Biscayne FL 33149
238 Buttonwood Dr, Key Biscayne FL 33149
545 SABAL PALM, Key Biscayne FL 33149
685 Harbor Ln, Key Biscayne FL 33149
110 Hampton Ln, Key Biscayne FL 33149
430 Grand Bay Dr # 801, Key Biscayne FL 33149