
621 N Mashta Drive, Key Biscayne, FL 33149
Key Biscayne, FL 33149 · MASHTA ISLAND A REPLAT OF
About 621 N Mashta Drive, Key Biscayne, FL 33149
Experience exceptional waterfront living in this beautifully remodeled residence on exclusive, tranquil Mashta Drive. Available unfurnished, the home features four bedrooms plus a den and five full bathrooms, complemented by a brand-new kitchen, custom closets, and sophisticated finishes throughout.Enjoy privacy and serenity with captivating views of Hurricane Harbor’s turquoise waters. Outdoors, a sparkling pool, expansive terrace, and lush tropical landscaping create an idyllic setting for entertaining or unwinding in your own private oasis. Embrace the signature Key Biscayne lifestyle, where island charm, peaceful surroundings, and effortless luxury come together.
How This Rental Compares in Key Biscayne
Per square foot, it is asking 100% above the Key Biscayne median for leases closed over the last twelve months — typical of premium views, newer construction or a top-tier building.
| This home | Key Biscayne median (12 mo) | |
|---|---|---|
| Rent per sq. ft. | $10 | $5 |
| 4-bedroom rent | $31,500 | $15,000 |
| Days on market | 3 | 60 |
Medians from closed MLS leases in Key Biscayne; a starting point, not an appraisal.
Home Features at 621 N Mashta Drive, Key Biscayne, FL 33149
- Bathrooms Full
- 5
- Bathrooms Half
- 0
- Interior Features
- Built-in Features, Cooking Island, 3 Bedroom Split, Volume Ceilings, Walk-In Closet(s), Den/Library/Office
- Appliances
- Electric Water Heater, Dishwasher, Disposal, Dryer, Gas Range, Refrigerator, Wall Oven, Washer
- Flooring
- Ceramic Floor
- Heating
- Electric
- Cooling
- Electric
- Furnished
- Unfurnished
- Architectural Style
- First Floor Entry
- Garage Spaces
- 1
- Attached Garage
- Yes
- Parking Features
- Circular Driveway, Covered, No Rv/Boats, No Trucks/Trailers
- Pool Features
- In Ground
- Pool Private
- No
- Direction Faces
- South
The Building at 621 N Mashta Drive, Key Biscayne, FL 33149
- Building Name
- MASHTA ISLAND A REPLAT OF
- Building Area Units
- Square Feet
- Stories
- 1
- Stories Total
- 1
- Association
- No
Lot, Views & Construction at 621 N Mashta Drive, Key Biscayne, FL 33149
- Lot Size Square Feet
- 15,096
- Waterfront
- Yes
- Waterfront Features
- Canal Front
- Frontage Length
- 100
- View
- Canal
- Construction Materials
- CBS Construction
- Roof
- Metal Roof
- Sewer
- Sewer
- Water Source
- Municipal Water
- New Construction
- No
Taxes & Public Record for 621 N Mashta Drive, Key Biscayne, FL 33149
- Parcel Number
- 24-52-05-009-0010
- Tax Legal Description
- 5-6 55 42 PB 65-65 MASHTA ISLAND A REPLAT OF TRS A B & C LOT 8 BLK 1 LOT SIZE 102.000 X 148 OR 18617-4624 0599 6 COC 22537-2019 07 2004 1
- Zoning
- 2001
- County Or Parish
- Miami-Dade County
Assigned Schools for 621 N Mashta Drive, Key Biscayne, FL 33149
- Elementary School
- Keybiscayne
- Middle School
- Ponce De Leon
- High School
- Coral Gables
School assignments are provided by the listing and should be independently verified.
Map & Neighborhood
621 N Mashta Drive, Key Biscayne, FL 33149 · More homes in Key Biscayne
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621 N Mashta Drive, Key Biscayne, FL 33149 at a Glance
Offered for lease in Key Biscayne 33149, 621 N Mashta Drive is a single family home with 4 bedrooms, 5 bathrooms, about 3,202 square feet of living space, dating to 1987. The asking rent is $31,500 a month, on the market since July 24, 2026, with One Sotheby's International Realty as the listing brokerage. Students here are assigned to Keybiscayne, Ponce De Leon and Coral Gables. Ask Matthew Gromadzki for a private showing, the full disclosure package, or comparable sales before you make an offer.