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Mark Chatburn - Global Real Estate Advisor Miami

@markchatburn

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Chatburn Team with @onesir
Here to help you find your own slice of paradise in Key Biscayne, Coconut Grove & surrounding areas.

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Repost from @onesir
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A Penthouse with Its Own Marina 🌿 At the iconic Santa Maria, this extraordinary duplex penthouse redefines waterfront living with 10,000 square feet of interior space, more than 4,300 square feet of private terraces, and sweeping 180-degree views of Biscayne Bay and the Miami skyline. Three expansive primary suites, private elevator access, and a secluded plunge pool create the feeling of a private estate above the city, while a 97-foot boat slip accommodates a yacht up to approximately 90 feet. A rare convergence of sky-high living and direct access to the water.

1643 Brickell Ave #Penthouse 4901, Miami, FL 33129📍

$14,950,000 - Asking Price

3 Bedrooms 9 Bathrooms

10,000 Square Feet

Represented by Mark Chatburn and Erika Hoffmann
@markchatburn @erikahoffmannrealtor

Discover more via the link in bio.

#WeSimplyDoMore

@onesir @sothebysrealty

Call me to schedule a private showing.

Daniel Vera
Global Real Estate Advisor
The Vera Group Miami
One Sotheby’s International Realty
Cell: ‪786-972-4883‬
Email: Dannyvera23@yahoo.com
Office: ‪ 1507 Sunset Drive Coral Gables, FL 33143
#Daniel#A.#Vera

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445 Grand Bay Drive, PH-1A | Key Biscayne | $18,900,000

A different perspective on one of Grand Bay’s most exceptional penthouses.

With 5 bedrooms, 5.5 bathrooms, and 8,435 SF (as per developers’ floor plan) of interior living space, this expansive residence is designed around light, scale, and its incredible surroundings.

Approximately 2,825 additional SF of terraces, including a sweeping wraparound terrace, creates an effortless connection to the outdoors.

Inside, 12-foot ceilings and a grand living room give the home an impressive sense of volume, while the transitional-modern interiors bring warmth and sophistication throughout.

A truly elevated way to experience Key Biscayne.

Now available for private tours. DM us to schedule a showing!

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NEW PRICE | 690 Warren Ln, Key Biscayne | $5,378,000

Distinctive architecture, thoughtful updates, and a design that stands apart.

Designed by Hervin Romney, this 3,549 SF residence features 4 bedrooms, 3.5 bathrooms, curved architectural lines, geometric windows, custom woodwork, and rich blue tones throughout. The renovated kitchen and primary bathroom bring a fresh feel while preserving the home’s original character.

Set on an oversized 8,010 SF corner lot, the property offers privacy, generous outdoor space, and a unique take on Key Biscayne living.

Now offered at a new price of $5,378,000.

DM us to schedule a private showing!

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A Penthouse with Its Own Marina 🌿 At the iconic Santa Maria, this extraordinary duplex penthouse redefines waterfront living with 10,000 square feet of interior space, more than 4,300 square feet of private terraces, and sweeping 180-degree views of Biscayne Bay and the Miami skyline. Three expansive primary suites, private elevator access, and a secluded plunge pool create the feeling of a private estate above the city, while a 97-foot boat slip accommodates a yacht up to approximately 90 feet. A rare convergence of sky-high living and direct access to the water.

1643 Brickell Avenue, Unit PH4901
Represented by Mark Chatburn and Erika Hoffmann

Discover more via the link in bio.

#WeSimplyDoMore

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LOOKING TO MAKE THE MOVE TO COCONUT GROVE? 🌴

There’s a reason Coconut Grove continues to be one of Miami’s most sought-after neighborhoods. With its waterfront setting, walkable streets, local shops and restaurants, marinas, and a strong sense of community, the Grove offers a lifestyle that feels distinctly its own.

Swipe through our local guide for a look at some of the places and experiences that make Coconut Grove such a special place to call home.

Thinking about making a move? DM us to learn more about living in Coconut Grove and finding the right home for you!

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CLOSED
IMAGES: Brigitte Nachtigal & Mark Chatburn
DATE: 10/05/2026
ADDRESS: 165 Hampton Lane, Key Biscayne, FL 33149
BROKER: Brigitte Nachtigal & Mark Chatburn @brigittenachtigallproperties @markchatburn
SALE PRICE: $7,767,500

Architectural Masterpiece in Key Biscayne

A rare, newly designed residence that epitomizes luxury living.

This 6 bedroom, 8 bath sanctuary features breathtaking architecture, soaring ceilings, and seamless indoor outdoor living. The spa inspired primary suite overlooks lush gardens, while the gourmet kitchen flows into expansive entertaining spaces.

Resort style pool, rooftop terrace, flexible bonus room, and smart home technology.

*some images are virtually staged using ai

#ClosedfLorida #KeyBiscayne #floridarealestate #LuxuryRealEstate #realestate

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A wonderful evening celebrating something I am incredibly grateful for… our team. ❤️

Real estate is our profession, but the relationships we have built with one another and with our clients are truly at the heart of everything we do.

We believe that success comes from trust, experience, teamwork, and genuinely caring about the people we represent. Our clients are always our priority, and we are fortunate to work together with the same commitment: to be there for them, guide them, protect their interests, and give every transaction our very best.

After so many years together, we are more than a team …we are family. And evenings like this remind me how lucky I am to share this journey with people I respect, trust, and adore.
Wonderful team, wonderful dinner, and so much to be grateful for. 🥂❤️

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EXPLORE OUR KEY BISCAYNE LISTINGS

From waterfront residences to spacious single-family homes, explore our current properties across Key Biscayne, all mapped out in one place.

Swipe through to see each property’s location, features, and details, and find the one that feels like home.

Interested in a property or looking to make a move on the island? DM us to schedule a private showing or to learn more!

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FOR SALE | 501 Bay Ln, Key Biscayne | $5,990,000

It’s all about the location. Set on one of Key Biscayne’s most desirable streets, 501 Bay Ln offers the kind of setting that makes this property stand out.

A spacious home, a 10,000 SF lot, and the opportunity to create something truly your own.

With 4,759 SF of living space, 5 bedrooms, and 4.5 bathrooms, this residence offers plenty of room both inside and out. The covered terrace, private backyard, and pool make outdoor living a natural part of everyday life, while the home’s existing layout leaves room to personalize over time. A private garage adds even more convenience.

With an exceptional location, generous space, and plenty of potential, 501 Bay Ln offers a unique opportunity in Key Biscayne.

DM us to schedule a private showing!

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LIFE ON THE KEY | KEY BISCAYNE COMMUNITY CENTER

One of the things that makes Key Biscayne such a special place to call home is the sense of community built into everyday island life.

At the heart of that is the Key Biscayne Community Center, a hub for residents of all ages with a fitness center, 25-yard pool, basketball gym, dance and aerobics studios, indoor playground, arts and crafts room, and dedicated spaces for kids, teens, adults, and seniors.

Beyond the amenities, it’s a place where neighbors come together, families stay active, and residents can take part in programs and activities throughout the year.
It’s another part of what makes living on Key Biscayne about more than just where you live — it’s about being part of a community.

Follow us for more local insight into life on Key Biscayne and what makes the island such a special place to call home.

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UNDER CONTRACT | 430 Grand Bay Dr, Unit 1103, Key Biscayne | Listing price: $6,850,000

Another beautiful Grand Bay residence is officially under contract.

Set in the coveted 03 line, this 3,630-square-foot residence stood out for its spectacular panoramic views of the Atlantic Ocean, Biscayne Bay, and Miami skyline, along with two expansive terraces and thoughtfully designed interiors.

Grateful to our clients for trusting us throughout the process and excited to see this exceptional Key Biscayne residence move into its next chapter.

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