$707,000

340 S 186th St, Key Biscayne, FL 33149

Save with DeedSwap

$16,175

Flat $1,500 fee vs. $17,675 traditional agent

4

Bedrooms

2

Bathrooms

3,740

Square Feet

1984

Year Built

About This Home

Beautiful 4-bedroom, 2-bathroom home in the heart of Key Biscayne. 3,740 square feet of living space featuring open floor plan, chef's kitchen, hardwood floors, tropical landscaping. Located in one of Miami's most desirable neighborhoods with easy access to shopping, dining, and beaches.

Property Details

Property Typesingle family
Statusactive
Year Built1984
Square Feet3,740
Bedrooms4
Bathrooms2

Mortgage Calculator

$707,000
20% — $141,400
3%50%
6.8%
3%12%
Apply DeedSwap savings to down payment

Add your $16,175 in buyer savings (vs. traditional agent's $1,500 flat fee) to your down payment and reduce your monthly payments.

Estimated Monthly Payment

$3,687/mo

Loan Amount

$565,600

Down Payment

$141,400

Total Interest

$761,824

Total Cost

$1,327,424

Estimates are for principal & interest only. Does not include taxes, insurance, or HOA.

Closing Cost Estimator

20% — $141,400
3%50%

Buyer Net Sheet

With Traditional Agent

$173,215

Total Cash to Close

With DeedSwap

$157,040

Total Cash to Close

Save $16,175 with DeedSwap

Estimates only. Closing costs vary by state, lender, and transaction. Consult with a title company for exact figures.

Neighborhood

Scores for Key Biscayne area

Walk Score
85Very Walkable
Transit Score
59Somewhat Walkable
Bike Score
47Car-Dependent

B+

Schools

27

Restaurants

8

Groceries

6

Parks

Price History

Listed

Mar 18, 2026

$730,032

Price Reduced

Mar 19, 2026

$711,268

-$18,764

Price Reduced

Mar 19, 2026

$693,546

-$17,722

Current

Mar 19, 2026

$707,000

+$13,454

Total change since listing-$23,032 (-3.2%)

$707,000

Save $16,175 · Flat $1,500 fee