How do I schedule a tour of 360 Harbor Lane, Key Biscayne, FL 33149?

Use the Tour button on this listing to request a showing of 360 Harbor Lane, Key Biscayne, FL 33149. Pick a day and time and choose an in-person or video-chat tour, and a Pure Equity agent will confirm your visit, often the same day.

Is 360 Harbor Lane, Key Biscayne, FL 33149 still available?

360 Harbor Lane, Key Biscayne, FL 33149 is currently listed as Active, and has been on the market 24 days. Status updates directly from the MLS as homes go under contract, so ask us to confirm availability before you plan a visit.

How much is the monthly payment for 360 Harbor Lane, Key Biscayne, FL 33149?

With 20% down ($1,990,000) on the $9,950,000 list price and a 30-year fixed loan at an illustrative 6.875% rate, the estimated principal & interest for 360 Harbor Lane, Key Biscayne, FL 33149 is about $52,292/mo, before property taxes, insurance. Use the payment estimate on this page to adjust the down payment and rate.

How do I get pre-approved to buy 360 Harbor Lane, Key Biscayne, FL 33149?

Getting pre-approved shows sellers you're a serious buyer and clarifies your true budget before you offer on 360 Harbor Lane, Key Biscayne, FL 33149. Contact Pure Equity and we'll connect you with a trusted local lender to review your financing options, no obligation.

What schools serve 360 Harbor Lane, Key Biscayne, FL 33149?

360 Harbor Lane, Key Biscayne, FL 33149 is zoned for Key Biscayne K-8 (elementary), Ponce De Leon (middle), Coral Gables (high). School assignments and boundaries can change year to year, so confirm current zoning with the local school district before you buy.

Can I negotiate the price of 360 Harbor Lane, Key Biscayne, FL 33149?

Often, yes. The right offer on 360 Harbor Lane, Key Biscayne, FL 33149 depends on how it's priced against comparable single family sales in Key Biscayne, how long it's been listed, and how motivated the seller is. Pure Equity will run the comps and help you craft a competitive, well-supported offer.

Active

24 Days on Market

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$9,950,000

360 Harbor Lane

Key Biscayne, FL 33149

BISCAYNE KEY ESTATES

Explore the area: Key Biscayne homes for sale · Miami Dade County real estate

Price Check

How this price compares

List price: $9,950,000
Price per sq ft: $2,292
Original price: Unchanged
Days on market: 24

This 6-bedroom single-family home in Biscayne Key Estates is listed at $9,950,000, or $2,292 per square foot. It has been on the market for 24 days.

Bedrooms

Bathrooms

4,341

Living Sq Ft

2025

Year Built

Estimated monthly payment

$52,292 /mo

Principal and interest only, based on $1,990,000 down (20%), a 6.875% 30-year fixed rate. Property taxes, homeowners insurance are not included.

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Listing Snapshot

Price: $9,950,000
Days on Site: 24 Days
Bedrooms: 6
Total Baths: 6
Full Baths: 5
Partial Baths: 1
Living Area: 4,341 sqft
Total Sq Ft: 5,156 sqft
Lot Size: 0.21 Acres
Year Built: 2025
Property Type: Single Family
MLS #: A12104430
Property Tax: $31,314 (2025)
Subdivision: BISCAYNE KEY ESTATES
County: Miami Dade
Status: Active

About This Property

Discreetly set in the heart of Key Biscayne — one of Miami’s most coveted island communities — this elegant modern two-story residence offers 5,156 SF of total space on a lush 9,300 SF lot with 6 bedrooms, 5.5 bathrooms, and a private office, perfectly balancing refined design with the relaxed island lifestyle. A travertine staircase entry and wrap-around porch with modern glass railings set a sophisticated tone, leading inside to soaring ceilings, herringbone oak floors by Listone Giordano, floor-to-ceiling sliding doors, and Lutron lighting. The open-concept living, dining, and family areas flow seamlessly to the outdoors. The chef’s kitchen showcases a striking fluted marble island with curved-edge countertops, floor-to-ceiling cabinetry by Design It, and a full Wolf and Sub-Zero appliance suite. The primary suite features a private terrace, dual custom walk-in closets, a dry sauna, and a show-stopping bath with aquamarine quartzite sourced from ARCA, dual Waterworks vanities, and a frameless glass shower. Outside, a covered terrace with fluted wood-paneled ceiling, summer kitchen with built-in grill and pizza oven, and a heated saltwater pool with marble deck and Baja ledge create the ultimate island retreat. Professionally designed landscaping and enchanting exterior uplighting illuminate the lush gardens, creating picturesque views through the home’s expansive glass walls, particularly after sunset. Integrated sound and four AC units complete this exceptional offering.

MLS media link

General Features

Property Type: Single Family
Status: Active
Year Built: 2025
Property Condition: Resale
Number of Stories: 2
Levels: Two
Garage Spaces: 0
Parking: Attached Carport / Carport / Driveway / Paver Block
Direction Faces: Northeast
Lot Size (Acres): 0.21
Living Sq Ft: 4,341
Total Sq Ft: 5,156
Sewer: Public Sewer
Water Source: Public
Zoning: 0100

Interior Features

Appliances: Dryer / Dishwasher / Electric Range / Disposal / Microwave / Oven / Refrigerator / Water Purifier / Washer
Cooling: Central Air / Electric
Heating: Central / Electric
Flooring: Marble / Wood
Interior Features: Built In Features / Closet Cabinetry / Dining Area / Separate Formal Dining Room / Dual Sinks / Entrance Foyer / High Ceilings / Kitchen Dining Combo / Living Dining Room / Main Level Primary / Other / Sitting Area In Primary / Separate Shower / Upper Level Primary / Walk In Closets
Windows: Blinds
Total Rooms: 5
Furnished: Unfurnished

Exterior Features

Construction: Block / Other
Roof: Flat / Tile
Exterior Features: Built In Barbecue / Balcony / Barbecue / Lighting / Outdoor Living Area
Architectural Style: Contemporary
Private Pool: Yes
Pool Features: Heated / In Ground
Patio & Porch: Deck / Open / Balcony
Lot Features: Sprinklers Automatic / Sprinkler System
View: Garden / Pool

Community & HOA

Association Amenities: None
Pets Allowed: No Pet Restrictions / Yes
Financing Terms: Cash / Conventional
Restrictions: No Restrictions
MLS Area: 2520

Schools

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

About the Community

Biscayne Key Estates

View Community Details →

Biscayne Key Estates is a luxury community in Key Biscayne, Miami-Dade County, Florida. Properties are priced from $2,900,000 to $11,300,000. Pure Equity lists homes in Biscayne Key Estates and represents buyers. Commission is negotiable, and what we are paid is agreed with you in writing before you commit to anything.

Homes for Sale: 8
Under Contract: 0
Median List Price: $5,429,000
Median $/Sq Ft: $1,615
Avg Days on Market: 145

View all 8 homes for sale in Biscayne Key Estates →

Frequently Asked Questions

How do I schedule a tour of 360 Harbor Lane, Key Biscayne, FL 33149?: Use the Tour button on this listing to request a showing of 360 Harbor Lane, Key Biscayne, FL 33149. Pick a day and time and choose an in-person or video-chat tour, and a Pure Equity agent will confirm your visit, often the same day.
Is 360 Harbor Lane, Key Biscayne, FL 33149 still available?: 360 Harbor Lane, Key Biscayne, FL 33149 is currently listed as Active, and has been on the market 24 days. Status updates directly from the MLS as homes go under contract, so ask us to confirm availability before you plan a visit.
How much is the monthly payment for 360 Harbor Lane, Key Biscayne, FL 33149?: With 20% down ($1,990,000) on the $9,950,000 list price and a 30-year fixed loan at an illustrative 6.875% rate, the estimated principal & interest for 360 Harbor Lane, Key Biscayne, FL 33149 is about $52,292/mo, before property taxes, insurance. Use the payment estimate on this page to adjust the down payment and rate.
How do I get pre-approved to buy 360 Harbor Lane, Key Biscayne, FL 33149?: Getting pre-approved shows sellers you're a serious buyer and clarifies your true budget before you offer on 360 Harbor Lane, Key Biscayne, FL 33149. Contact Pure Equity and we'll connect you with a trusted local lender to review your financing options, no obligation.
What schools serve 360 Harbor Lane, Key Biscayne, FL 33149?: 360 Harbor Lane, Key Biscayne, FL 33149 is zoned for Key Biscayne K-8 (elementary), Ponce De Leon (middle), Coral Gables (high). School assignments and boundaries can change year to year, so confirm current zoning with the local school district before you buy.
Can I negotiate the price of 360 Harbor Lane, Key Biscayne, FL 33149?: Often, yes. The right offer on 360 Harbor Lane, Key Biscayne, FL 33149 depends on how it's priced against comparable single family sales in Key Biscayne, how long it's been listed, and how motivated the seller is. Pure Equity will run the comps and help you craft a competitive, well-supported offer.

Listing courtesy of Coldwell Banker Realty

Listing information is provided by BeachesMLS, Inc.and is deemed reliable but not guaranteed accurate by the MLS or Pure Equity. Information is for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties. © 2026 BeachesMLS, Inc. Last updated November 14, 2026.

$9,950,000

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Listed by Judith H Zeder, Coldwell Banker Realty

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Recently sold homes in Biscayne Key Estates

These are the last 6 recorded closings in Biscayne Key Estates, with the price each home actually sold for rather than what it was listed at. They closed at a median of $1,446 per square foot. The most recent closed on October 26, 2026. Closed sales are what an appraiser and a buyer's agent will look at, so they are the starting point for pricing a home here.