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677 Hampton Ln, Key Biscayne, FL 33149, US
Copied

$3,560,000

For Sale - Active
677 Hampton Ln, Key Biscayne, FL 33149
5 Beds
4 Baths
2,429 Square Feet
0.17 Acres Lot
Built in 1951
For Sale - Active
Units n/a
Checked: 13 hours ago
Updated: Sep 15, 2025 at 10:14AM

Investment Summary


Monthly Cash Flow
-$13,696
Cap Rate
1.5%
Cash-on-Cash Return
-20.1%
Debt Coverage Ratio
0.25
Internal Rate of Return (5 years)
-15.4%

Property Description


0.17 Acres Lot
Built in 1951
For Sale - Active
Units n/a

Located in a quiet, family-friendly neighborhood, this spacious 5-bedroom, 3.5-bathroom home offers 2,649 sq ft of updated living space (according to appraisal done in 2020) on a 7,500 sq ft lot. Features include modern bathrooms, walk-in closets, a dedicated laundry room, two AC units for year-round comfort, and hurricane impact windows. The private backyard is an ideal retreat with a heated chlorine pool—perfect for entertaining or relaxing. Just a short walk to Key Biscayne K-8 Center, Winn-Dixie, CVS, and great local restaurants. A move-in-ready home in one of the island’s most desirable locations!

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Location


Property Details


Parking

  • Description: Attached, Garage, Guest, OnStreet
  • Details: Driveway
  • Garage Spaces: 0
  • Spaces Total: 0

Bedroom Information

  • # of Bedrooms: 5

Bathroom Information

  • # of Baths (Full): 3
  • # of Baths (Total): 4.0

Interior Features

  • # of Rooms: 0
  • # of Stories: 1

Exterior Features

  • Roof Material: Other, Spanish Tile
  • Pool: Yes

Land Information

  • Land Use: Residential
  • Land Use Subtype: Single Family Residential

Lot Information

  • Parcel ID: 2452050010530
  • Lot Size: 7500 sqft

Property Information

  • Property Type: Single Family Residence
  • Style: OneStory
  • Year Built: 1951

Tax Information

  • Annual Tax: $21,691

Utilities

  • Water & Sewer: Public
  • Heating: Central
  • Cooling: Central Air, Ceiling Fan(s)

Location

  • County: Miami Dade

Listing Details


Listed by:
Maurice Milton
Sea Grove Realty
(305) 812-4260

Source:
MIAMI REALTORS MLS
MLS#: A11857280
MIAMI REALTORS MLS

Investment Summary


Monthly Cash Flow
-$13,696
Cap Rate
1.5%
Cash-on-Cash Return
-20.1%
Debt Coverage Ratio
0.25
Internal Rate of Return (5 years)
-15.4%

Purchase Details

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Purchase price:
$3,560,000
Amount financed:
-$2,848,000
Down payment:
$712,000
Closing costs:
$106,800
Rehab costs:
$0
Initial cash invested:
$818,800
Square feet:
2,429
Cost per square foot:
$1,466
Monthly rent per square foot:
$3.79

Financing Details

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Loan amount:
$2,848,000
Loan to value ratio:
80.0%
Loan type:
Amortizing
Term:
30 years
Interest rate:
6.625%
Principal & interest:
$18,236
Property tax:
$1,808
Insurance:
$644
Private mortgage insurance (PMI):
$0
Monthly payment:
$20,688

Operating Income

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% Rent Monthly Yearly
Gross rent:
$9,200 $110,400
Vacancy loss: (6%)
6% -$552 -$6,624
Operating income:
$8,648 $103,776

Operating Expenses


% Rent Monthly Yearly
Property taxes: (20%)
20%-$1,808-$21,691
Insurance: (7%)
7%-$644-$7,728
Property management: (8%)
8%-$736-$8,832
Repairs & maintenance: (5%)
5%-$460-$5,520
Capital expenditures: (5%)
5%-$460-$5,520
HOA fees: (n/a)
n/an/an/a
Total operating expenses: (45%)
45%-$4,108-$49,291

Cash Flow


Monthly Yearly
Net operating income:
$4,540 $54,480
Mortgage payments:
-$18,236 -$218,832
Cash flow:
-$13,696 -$164,352