Skip to content
×
Pro Members Get
Full Access!
Get off the sidelines and take action in real estate investing with BiggerPockets Pro. Our comprehensive suite of tools and resources minimize mistakes, support informed decisions, and propel you to success.
Advanced networking features
Market and Deal Finder tools
Property analysis calculators
Landlord Command Center
ANNUAL Save 16%
$32.50 /mo
$390 billed annualy
MONTHLY
$39 /mo
billed monthly
7 day free trial. Cancel anytime
Copied
Photo
Photo
Photo
Photo
Photo
See all photos

$19,000,000

For Sale - Active
510 S Mashta Dr, Key Biscayne, FL 33149
5 Beds
7.0 Baths
5,226 Square Feet
0.42 Acres Lot
Built in 1981
For Sale - Active
Units n/a
Checked: 24 hours ago
Updated: Apr 23, 2025 at 09:37PM

Investment Summary


Monthly Cash Flow
-$105,554
Cap Rate
-0.5%
Cash-on-Cash Return
-29.0%
Debt Coverage Ratio
-0.08
Internal Rate of Return (5 years)
-23.9%

Property Description


0.42 Acres Lot
Built in 1981
For Sale - Active
Units n/a

Waterfront. Located on Mashta Island and island within an island in Key Biscayne. The minute you walk into the house the most breathtaking Biscayne Bay views welcomes you. Breathtaking sunsets.Oversized Lot:18,300-sq.ft. 2 story home with excellent floor plan,Large living room area w/double height ceilings, family room adjacent to Kitchen area. Large dining area w/direct water views & access to pool area. 2nd floor: Master suite & 3 additional bedrooms en suite Master suite w/balcony & large walk in closet .1st floor Guest suite.Water views from every room, dining & reception area.Gazebo by the water.Open kitchen. staff area.powder room.oversized pool w/Cabana room &cabana bath.Double access ( service access &main access) Lush garden offers total privacy . Enclosed two car garage.

Build Your Team


Quickly find investor-friendly professionals who can help you succeed in real estate investing at any stage of the investing journey.

Agents

Match with investor-friendly agents who can help you find, analyze, and close your next deal

Find an Agent

Lenders

Get the best funding…find investor-friendly lenders who specialize in your deal strategy

Find a Lender

Property Managers

Transition to passive investing. Find a trusted property management partnership that lasts.

Find a Property Manager

Tax Pros & Accountants

Taxes and financial reporting made easy—find experts to create tax savings strategies, file taxes, and more

Find a Tax Pro

Location


Property Details


Parking

  • Description: Attached, Garage
  • Details: Attached, Circular Driveway, Driveway, Garage, Garage Door Opener
  • Garage Spaces: 2
  • Spaces Total: 0

Bedroom Information

  • # of Bedrooms: 5

Bathroom Information

  • # of Baths (Full): 6
  • # of Baths (Total): 7.0

Interior Features

  • # of Stories: 2

Exterior Features

  • Roof Material: Barrel
  • Pool: Yes

Land Information

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

Lot Information

  • Parcel ID: 2452050090190
  • Lot Size: 18300 sqft

Property Information

  • Property Type: Single Family Residence
  • Style: TwoStory
  • Year Built: 1981

Tax Information

  • Annual Tax: $172,413

Utilities

  • Water & Sewer: Public
  • Heating: Central, Electric
  • Cooling: Central Air, Electric

Location

  • County: Miami Dade

Listing Details


Listed by:
Brigitte De Langeron
DLS International Realty
(305) 244-7493

Source:
MIAMI REALTORS MLS
MLS#: A11782312
MIAMI REALTORS MLS

Investment Summary


Monthly Cash Flow
-$105,554
Cap Rate
-0.5%
Cash-on-Cash Return
-29.0%
Debt Coverage Ratio
-0.08
Internal Rate of Return (5 years)
-23.9%

Purchase Details

Find an Agent

Purchase price:
$19,000,000
Amount financed:
-$15,200,000
Down payment:
$3,800,000
Closing costs:
$570,000
Rehab costs:
$0
Initial cash invested:
$4,370,000
Square feet:
5,226
Cost per square foot:
$3,636
Monthly rent per square foot:
$1.70

Financing Details

Find a Lender

Loan amount:
$15,200,000
Loan to value ratio:
80.0%
Loan type:
Amortizing
Term:
30 years
Interest rate:
6.625%
Principal & interest:
$97,327
Property tax:
$14,368
Insurance:
$623
Private mortgage insurance (PMI):
$0
Monthly payment:
$112,318

Operating Income

Find a Property Manager

% Rent Monthly Yearly
Gross rent:
$8,900 $106,800
Vacancy loss: (6%)
6% -$534 -$6,408
Operating income:
$8,366 $100,392

Operating Expenses


% Rent Monthly Yearly
Property taxes: (161%)
161%-$14,368-$172,413
Insurance: (7%)
7%-$623-$7,476
Property management: (8%)
8%-$712-$8,544
Repairs & maintenance: (5%)
5%-$445-$5,340
Capital expenditures: (5%)
5%-$445-$5,340
HOA fees: (0%)
0%$0$0
Total operating expenses: (186%)
186%-$16,593-$199,113

Cash Flow


Monthly Yearly
Net operating income:
-$8,227 -$98,724
Mortgage payments:
-$97,327 -$1,167,924
Cash flow:
$105,554 $1,266,648