How much is 591 N Mashta Drive?

591 N Mashta Drive is listed at $15,500,000, which is about $3,613 per square foot. The listing page shows comparable active listings and recent closed sales nearby so you can judge the asking price against what buyers have actually paid.

What are the property taxes on 591 N Mashta Drive?

The listing reports annual property taxes of $112,793 for 2025. Taxes are reassessed at the sale price after a purchase, so a new owner's bill can differ from the current owner's; use the mortgage calculator on this page for an estimate.

When was 591 N Mashta Drive built?

591 N Mashta Drive was built in 1960 and the listing describes its condition as resale. Age matters for insurance and financing in Florida: ask about the roof, the electrical panel and, for a condo built before the current code, the building's structural reserve study.

How long has 591 N Mashta Drive been on the market?

591 N Mashta Drive has been listed for 159 days, and the asking price has been reduced from $16,950,000. Days on market and price changes are the first signals of how much room there is to negotiate.

Is 591 N Mashta Drive waterfront?

Yes. The listing describes the water as none canal front. For a home with dockage, confirm the water depth at low tide, the seawall condition and whether the route to the inlet passes under any fixed bridges before you offer.

Which schools serve 591 N Mashta Drive?

The MLS lists Key Biscayne K-8 (elementary), Ponce De Leon (middle), Coral Gables (high). School assignments are set by the district and can change; verify them with the school board before you rely on them.

How do I see 591 N Mashta Drive?

Request a showing from this page or call BreakThru Realty and a licensed agent will arrange a private tour, in person or by video, and answer anything the listing leaves out.

591 N Mashta Drive, Key Biscayne, FL 33149

$15,500,000 · Closed

4 beds
5 baths
4,290 sq ft
Single Family Residence
Built 1960
Lot 15,246 sq ft
MLS# A11924175
Mashta Island A Replat Of

Photo 1 at 591 N Mashta Drive, Key Biscayne

Photo 2 at 591 N Mashta Drive, Key Biscayne

Photo 3 at 591 N Mashta Drive, Key Biscayne

Photo 4 at 591 N Mashta Drive, Key Biscayne

Photo 5 at 591 N Mashta Drive, Key Biscayne

Photo 6 at 591 N Mashta Drive, Key Biscayne

Photo 7 at 591 N Mashta Drive, Key Biscayne

Photo 8 at 591 N Mashta Drive, Key Biscayne

About this home

BEAUTIFUL AND UNIQUE WATERFRONT HOME ON EXCLUSIVE MASHTA ISLAND, ON DESIRABLE NORTH MASHTA DR IN KEY BISCAYNE. ELEVATED AND VERY COMFORTABLE 4BR/4.5BA + MAID’S QUARTERS WITH APPROX. 4,290 SQ FT UNDER A/C, SITTING ON A LARGE AND PRIVATE 15,184 SQ FT LOT, IDEAL FOR ENJOYING WITH FAMILY AND FRIENDS.APPROX. 50 FT DOCK WHERE THE OWNERS HAVE DOCKED BOATS OF AROUND 78 FT, WITH DEEP WATER OF ABOUT 8 FT EVEN AT LOW TIDE – A RARE TRUE DEEP-WATER ACCESS ON THE ISLAND. NORTH-FACING CANAL KEEPS THE HOUSE AND OUTDOOR AREAS PLEASANT AND COOLER ALL YEAR ROUND. EASY TO SHOW. BRING YOUR QUALIFIED BUYERS AND BEST OFFERS.

Features

Canal Front
In Ground

Schools

Elementary: Key Biscayne K-8
Middle: Ponce De Leon
High: Coral Gables

Presented by

BreakThru Realty · (786) 914-1017

Courtesy of

EXP Realty LLC · Listing agent: Cristina D Anglemont De Tassigny

Schedule a showing

Call or text BreakThru Realty at (786) 914-1017 or email sales@breakthrurealty.com to see 591 N Mashta Drive.

Questions About 591 N Mashta Drive

How much is 591 N Mashta Drive?: 591 N Mashta Drive is listed at $15,500,000, which is about $3,613 per square foot. The listing page shows comparable active listings and recent closed sales nearby so you can judge the asking price against what buyers have actually paid.
What are the property taxes on 591 N Mashta Drive?: The listing reports annual property taxes of $112,793 for 2025. Taxes are reassessed at the sale price after a purchase, so a new owner's bill can differ from the current owner's; use the mortgage calculator on this page for an estimate.
When was 591 N Mashta Drive built?: 591 N Mashta Drive was built in 1960 and the listing describes its condition as resale. Age matters for insurance and financing in Florida: ask about the roof, the electrical panel and, for a condo built before the current code, the building's structural reserve study.
How long has 591 N Mashta Drive been on the market?: 591 N Mashta Drive has been listed for 159 days, and the asking price has been reduced from $16,950,000. Days on market and price changes are the first signals of how much room there is to negotiate.
Is 591 N Mashta Drive waterfront?: Yes. The listing describes the water as none canal front. For a home with dockage, confirm the water depth at low tide, the seawall condition and whether the route to the inlet passes under any fixed bridges before you offer.
Which schools serve 591 N Mashta Drive?: The MLS lists Key Biscayne K-8 (elementary), Ponce De Leon (middle), Coral Gables (high). School assignments are set by the district and can change; verify them with the school board before you rely on them.
How do I see 591 N Mashta Drive?: Request a showing from this page or call BreakThru Realty and a licensed agent will arrange a private tour, in person or by video, and answer anything the listing leaves out.

Explore

Similar Homes Nearby

520 S Mashta Drive, Key Biscayne, FL 33149 · $19,900,000 · 5 bd · 4 ba · 3,085 sq ft
161 Cape Florida Drive, Key Biscayne, FL 33149 · $14,990,000 · 4 bd · 6 ba · 6,661 sq ft
131 Cape Florida Drive, Key Biscayne, FL 33149 · $16,500,000 · 6 bd · 7 ba · 7,103 sq ft
640 S Mashta Drive, Key Biscayne, FL 33149 · $16,800,000 · 4 bd · 4 ba · 3,620 sq ft

Recently Sold Nearby

111 Reef Lane, Key Biscayne, FL 33149 · Sold $10,850,000 · 7 bd · 6 ba · 5,008 sq ft

Explore Nearby

Nearby Cities

Key Biscayne Neighborhoods

Nearby ZIP Codes

The 5 bedroom home at 520 S Mashta Drive, Key Biscayne, FL 33149 is comparable and listed for sale at $19,900,000. Another comparable home, 111 Reef Lane, Key Biscayne, FL 33149, sold for $10,850,000 in August 2026. Key Biscayne neighborhoods include Cape Florida and Key Colony. Nearby ZIP codes include 33133 and 33131. This property also neighbors Coconut Grove, Brickell, and Miami. Compare it with the Key Biscayne housing market report.