Fort Lauderdale & South Florida Real Estate Waterfront Homes • Luxury Properties • Local Broker Expertise

Detached, OneStory

398 Harbor Dr

Key Biscayne, FL 33149

MLS#: A11430953

$22,000,000

Status: Closed
Listing number: A11430953
Listing provided by: One Sotheby's International Realty
Listing agent phone: None
Last update: 2 months ago
On site: 3 years ago
Browse Properties
TROPICAL ISLE HOMES SUB 4 - Residential

Property

Beds

3

Full Baths

3

1/2 Baths

None

Year Built

1952

Sq.Footage

1,806

Truly a trophy property ready to be developed.The original cottage on this unique 20,933 sq. ft. lot, is nestled among some of the most coveted stately homes of Key Biscayne. It may be lived in while your new house project is ready. Watch the endless parade of boats as they cruise the shimmering waters of Biscayne Bay, or simply enjoy the spectacle of the always changing color palette of Miami Sunsets and night lights. Watch an assortment of marine life stop by to greet you while you lounge in your bayfront backyard.The Key is a short ride away -10 to 15 minutes – from the excitement of Downtown Miami and the Beaches, as well as a 20 minutes ride to Miami International Airport and Miami Executive private airport, yet the Key feels so far away.

Features & Amenities

Interior

  • Other Interior Features

    Other

  • Total Bedrooms

    3

  • Bathrooms

    3

  • Cooling YN

    YES

  • Cooling

    Other

  • Heating YN

    YES

  • Heating

    Other

  • Pet friendly

    Yes

Exterior

  • Garage

    No

  • Construction Materials

    Block

  • Parking

    Driveway

  • Patio and Porch Features

    Porch

  • Pool

    No

  • Waterfront YN

    YES

  • View

    Bay, Water

Area & Lot

  • Lot Features

    Waterfront

  • Lot Size(square feet)

    20,933

  • Property Type

    Residential

  • Property Sub Type

    Single Family Residence

  • Architectural Style

    Detached, OneStory

Price

  • Sales Price

    $22,000,000

  • Tax Amount

    $150,310

  • Financing Options

    Cash, Conventional, VA Loan

  • Zoning

    2000

  • Sq. Footage

    1,806

  • Price/SqFt

    $12,181

HOA

  • Association

    No

School District

  • Elementary School

    Keybiscayne

  • Middle School

    N/A

  • High School

    Mast Academy

Property Features

  • Senior Community YN

    NO

  • Sewer

    Other

  • Water Source

    Other

Schedule a Showing

Showing scheduled successfully.

<
>
IN PERSON
VIA CHAT

What is 3 + 4 ?


Mortgage calculator

Estimate your monthly mortgage payment, including the principal and interest, property taxes, and HOA. Adjust the values to generate a more accurate rate.

Your payment

Principal and Interest:

$

Property taxes:

$

HOA fees:

$

Total loan payment:

$

Total interest amount:

$

Location

County

Miami-Dade

Elementary School

Keybiscayne

Middle School

High School

Mast Academy

Listing Courtesy of Carlos Coto, One Sotheby's International Realty

RealHub Information is provided exclusively for consumers' personal, non-commercial use, and it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. All information deemed reliable but not guaranteed and should be independently verified. All properties are subject to prior sale, change or withdrawal. RealHub website owner shall not be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless.

Agent Jarrod Gaylis

Managing Broker & Founder

Jarrod Gaylis

Call Jarrod today to schedule a private showing.

(305) 790-0199

jgaylis@perfectpropertiesfl.com


* Listings on this website come from the FMLS IDX Compilation and may be held by brokerage firms other than the owner of this website. The listing brokerage is identified in any listing details. Information is deemed reliable but is not guaranteed. If you believe any FMLS listing contains material that infringes your copyrighted work please review our DMCA policy and learn how to submit a takedown request.© 2024 FMLS.
Truly a trophy property ready to be developed.The original cottage on this unique 20,933 sq. ft. lot, is nestled among some of the most coveted stately homes of Key Biscayne. It may be lived in while your new house project is ready. Watch the endless parade of boats as they cruise the shimmering waters of Biscayne Bay, or simply enjoy the spectacle of the always changing color palette of Miami Sunsets and night lights. Watch an assortment of marine life stop by to greet you while you lounge in your bayfront backyard.The Key is a short ride away -10 to 15 minutes – from the excitement of Downtown Miami and the Beaches, as well as a 20 minutes ride to Miami International Airport and Miami Executive private airport, yet the Key feels so far away.

398 Harbor Dr

Message successfully sent.

What would you like to know?

What is 3 + 4 ?

I agree to receive email communication and understand I can unsubscribe at any time.

I agree to be contacted by Perfect Properties of Florida Real Estate via call, email, and text for real estate services. To opt out, you can reply 'stop' at any time or reply 'help' for assistance. You can also click the unsubscribe link in the emails. Message and data rates may apply. Message frequency may vary. Privacy Policy

Related Properties

New on site 3 days ago
Discover refined waterfront living at 960 Mariner Drive in Key Biscayne. This newly completed 2025 estate offers approximately 9,640 square feet of total living space (7,742 square feet under air) on a 15,381-square-foot lot with 106 feet of private water frontage.The open-concept design features floor-to-ceiling glass, a chef’s kitchen, and seamless indoor-outdoor flow. A private 4-person elevator connects all levels, including a third-floor terrace with 360-degree views of the water and Miami skyline. Outside, a resort-style pool, summer kitchen, and private dock with ski-boat crane and direct Bay access create an exceptional setting for entertaining. Thoughtfully designed for privacy, quality, and effortless coastal living, this turnkey residence represents a rare opportunity to own one of Key Biscayne’s finest new waterfront properties.
#A12119438

Key Biscayne

960 Mariner Dr

6 Beds

8 Baths

7,742 Sq.Ft.

$19,450,000

MLS#: A12119438

Spanning over 6,200 sq. ft. with 6 bedrooms and 6.5 baths, the home sits at the end of a private cul-de-sac with sweeping water and mangrove views. A dramatic entry opens to light-filled living spaces with floor-to-ceiling glass, wide-plank European oak floors, and custom millwork throughout. The sleek chef’s kitchen features Italian cabinetry, a marble waterfall island, and top-of-the-line Miele and Sub-Zero appliances. The primary suite offers a private sitting area, expansive custom closets, and a spa-style bathroom with book-matched marble, freestanding soaking tub, dual vanities, and glass-enclosed rain shower. Secondary suites are equally refined, each with bespoke finishes and private baths. Seamlessly connecting indoors and outdoors, the residence showcases covered terraces with natural stone flooring, a summer kitchen with custom cabinetry and Wolf appliances, and a resort-style pool surrounded by tropical gardens curated by CCLA. A private dock with direct Biscayne Bay access completes the waterfront lifestyle. Located within one of Miami’s most coveted island communities, this estate blends modern craftsmanship with timeless design, just minutes from pristine beaches, parks, dining, and top-rated schools.
#A12117649

Key Biscayne

1080 Mariner Dr

6 Beds

6 Baths

6,468 Sq.Ft.

$19,750,000

MLS#: A12117649

Enjoy Paradise Found on the exclusive island of Key Biscayne This extraordinary 7,000sqft waterfront estate sits on a rare double lot located on Hurricane Harbor overlooking tranquil Manatee Lagoon. The property offers an unparalleled sanctuary of luxury and seclusion with features including a 4 car garage ideal for collectors, professionally landscaped yard well suited for outdoor entertaining, 7 bedrooms and 7.5 baths including live-in staff quarters. Expansive living areas flow seamlessly to large outdoor, covered porches becoming your al fresco living room for outdoor dining or relaxing and soaking in the beauty of the natural environment as dolphins and manatees swim in your backyard. As the sun hits the horizon, the afterset lights up the sky illuminating the clouds in a breathtaking array of tropical colors. Text listing agent. 24hr notice This offering is a double lot sale of 550&570 Harbor
#A12111835

Key Biscayne

550 Harbor Dr

7 Beds

7 Baths

6,497 Sq.Ft.

$19,450,000

MLS#: A12111835

Price reduced
Seize a rare opportunity to create a landmark waterfront estate on one of the largest residential lots in Key Biscayne’s exclusive Mashta Island enclave. Spanning an extraordinary 22,140 square feet, this exceptional property offers 138 feet of pristine water frontage and sweeping open water views, providing an unparalleled setting for a world class residence. Plans by renowned architect, Pablo Corazzini of Vitalini Corazzini Architects, are available to the buyer, offering a thoughtfully conceived vision that takes full advantage of the property’s remarkable scale, premier waterfront setting, and spectacular sunsets. The proposed design creates an extraordinary canvas for sophisticated indoor-outdoor living and entertaining, should the buyer choose to pursue the concept. With its exceptional lot size, expansive water frontage, and coveted Mashta Island address, this is a truly irreplaceable opportunity to create a legacy estate in one of South Florida’s most prestigious waterfront communities.
#A12071221

Key Biscayne

520 S Mashta Dr

5 Beds

4 Baths

3,085 Sq.Ft.

$18,500,000

MLS#: A12071221

Magnificent ocean and bay views set the stage for this truly one-of-a-kind two-story penthouse, a spectacular house in the sky. Located in Ocean Tower One at the Ocean Club in Key Biscayne, this extensively renovated and redesigned residence offers approximately 4,566 SF of fully functional interior living space across two levels, 5 bedrooms, 5 full baths, and 1 half bath. Thoughtfully redesigned with exceptional attention to detail, the residence features a beautifully renovated kitchen and baths, bespoke built-ins, Italian marble flooring, refined luxury finishes throughout, and new hurricane shutters. Expansive living areas create the feel of a private home with the ease of condominium living. A spectacular private rooftop terrace of just under 2,000 SF, separate from the interior living area, offers endless possibilities for entertaining, lounging, or the potential for a jacuzzi while enjoying breathtaking water views. Beachfront access and world-class Ocean Club amenities complete this exceptional offering. Select Artefacto furnishings and accessories available for negotiation.
#A12027629

Key Biscayne

799 Crandon Blvd PH-8

5 Beds

5 Baths

4,566 Sq.Ft.

$18,500,000

MLS#: A12027629

Lower Penthouse 2N at Oceana Key Biscayne presents a rare opportunity to own a meticulously curated, fully remodeled sky residence in one of South Florida’s most exclusive boutique oceanfront communities. Spanning nearly 6,000 SF of total living area including interior + expansive terraces, this exceptional flowthrough home showcases breathtaking ocean, beach, bay, skyline, and Miami Beach views while capturing both spectacular sunrises and sunsets. Thoughtfully reimagined with exceptional attention to detail, the residence blends sophisticated design with effortless functionality. Soaring 11-ft ceilings, rich custom millwork and designer wall coverings, integrated architectural lighting, built-in audio, Crestron smart home automation, custom built-ins, and bespoke finishes throughout create an atmosphere of understated luxury. Designed for both intimate living and grand entertaining, the home features a private elevator foyer, hidden custom bar, elegant formal and informal living spaces, 4 spacious en-suite bedrooms, 5.5 bathrooms, laundry/staff quarters, & an exceptional sense of privacy throughout. Residents enjoy Oceana’s unmatched white-glove service and world-class amenities, including over 500 feet of pristine beachfront, resort-style pools, fitness center and spa, resident-favorite restaurant, tennis court, beach volleyball, and beautifully curated grounds. A truly extraordinary offering for the most discerning buyer. Includes 4 assigned parking spaces & 1 storage.
#A12027002

Key Biscayne

350 Ocean Dr LPH2N

5 Beds

5 Baths

4,764 Sq.Ft.

$17,900,000

MLS#: A12027002

Price reduced
Embodying a true resort lifestyle, this rare Key Biscayne waterfront residence is defined by its extra-long, 134 ft water frontage and its elegant private ipe dock with direct canal-to-ocean access. The contemporary home, extensively rebuilt in 2018, is move-in ready, featuring 6 bedrooms, refined finishes, and tailored wood floors throughout. Outdoor living unfolds effortlessly with a sleek pool and spa and inviting spaces for intimate lounging, open-air dining and entertaining. Minutes from golf, tennis, padel, a protected state park and beaches, and within easy reach of Brickell, Coconut Grove, and Miami Airport. Nothing to add. Everything to enjoy. A MUST SEE.
#A12009875

Key Biscayne

120 Knollwood Dr

6 Beds

6 Baths

6,208 Sq.Ft.

$19,450,000

MLS#: A12009875

High above the turquoise waters of Key Biscayne rises a penthouse that simply cannot be replicated. Once featured in Architectural Digest, this legendary corner residence at Grand Bay is a statement of scale, design, and presence. From sunrise over the Atlantic to glittering sunsets across Biscayne Bay and the Miami skyline, the views are cinematic in every direction, offering endless blue water, golden light, and exceptional privacy. Spanning an extraordinary 8,435 square feet under air and 2,825 square feet of terraces, totaling 11,260 square feet as per the developer’s floor plan, the residence is defined by soaring 12-foot ceilings and grand proportions throughout. A dramatic foyer leads to a spectacular Grand Room designed for both intimate living and large-scale entertaining. The formal dining room is separate and elegant, while the completely remodeled kitchen and family room provide comfort and functionality. The fully renovated private library and custom bar enhance the home’s entertaining appeal. The primary suite is serene and expansive. All the bathrooms have just been completely remodeled, offering a fresh spa-inspired experience finished to today’s highest standards. Four (4) additional en-suite bedrooms ensure comfort and privacy. The terraces offer expansive outdoor living in the sky, perfect for sunrise mornings and sunset evenings overlooking the water and skyline. This is not simply a penthouse. It is a landmark residence, rare and impossible to duplicate.
#A11954185

Key Biscayne

445 Grand Bay Drive PH-1A

5 Beds

5 Baths

8,435 Sq.Ft.

$18,900,000

MLS#: A11954185

Enjoying an exceptional 270ft of L-shaped water frontage facing 185-ft-wide Pines Canal and the natural beauty of Bill Baggs Cape Florida State Park, this elegant island-coastal estate is tailored to a boating lifestyle. Offering calm and naturally sheltered harbor, concrete seawall, boat lift, dockside kitchen and side-dock boat storage that preserves unobstructed water views, the property provides a sense of openness, privacy, and tranquility. Clean architectural lines, an internal garden courtyard, and generous covered terraces fill the residence with natural light and create a seamless connection to the surrounding water and landscape. This elevated home offers 4 bedrooms plus staff quarters, 5 bathrooms, and 4 half-baths within 8,240 sqft of living space on a 16,500-sqft lot. Architectural tray ceilings, refined millwork, custom wall paneling, and thoughtfully designed built-ins with abundant storage add depth and craftsmanship while maintaining a light, contemporary coastal aesthetic. Formal living and dining rooms with elegant millwork provide an ideal setting for entertaining. The kitchen is appointed with Calacatta Gold marble countertops, gas cooking, Sub-Zero and Viking appliances, and a butler’s pantry. Additional highlights include 2 family rooms, fitness center with water views, 2 garages accommodating 7+ cars/golf carts, temperature-controlled wine cellar for 1,400+ bottles, elevator, retractable screen doors, generator and saltwater heated pool.
#A11934196

Key Biscayne

100 Cape Florida Dr

4 Beds

5 Baths

8,240 Sq.Ft.

$19,800,000

MLS#: A11934196

Send a message

Message successfully sent.

Your message

What is 3 + 4 ?

Reason for contacting?

I agree to receive email communication and understand I can unsubscribe at any time.

I agree to be contacted by Perfect Properties of Florida Real Estate via call, email, and text for real estate services. To opt out, you can reply 'stop' at any time or reply 'help' for assistance. You can also click the unsubscribe link in the emails. Message and data rates may apply. Message frequency may vary. Privacy Policy

Sign Out

Virtual Assistant

Would you like to take the next step with this property? We can help you schedule a showing or virtual tour, or send you more details.

Yes, I would like more information.

Thank You for Your Reply, One of Our Agents will contact you as soon as possible

No, maybe later.

Thank you, you can always contact me via email, phone number or through the contact form.

Realhub AI

Lucy - Your AI-Powered Realtor

Update Your Temporary Password

Personalize your search

Enter your email and we'll notify you immediately when new listings match what you're looking for.

or enter email address

Already have an account ? Login here

Continue your home search

I agree to receive communications and understand I can unsubscribe at any time.

I agree to be contacted by Perfect Properties of Florida Real Estate via call, email, and text for real estate services. To opt out, you can reply 'stop' at any time or reply 'help' for assistance. You can also click the unsubscribe link in the emails. Message and data rates may apply. Message frequency may vary. Privacy Policy

Already have an account ? Login here

We use cookies

We use cookies primarily for analytics to enhance your experience. By accepting, you agree to our use of these cookies. You can manage your preferences or learn more about our cookies policy.

Privacy Policy Terms of Service