Mark Chatburn

Mark Chatburn is a Global Real Estate Advisor with ONE Sotheby’s International Realty, specializing in luxury real estate in Key Biscayne and Coconut Grove. With more than two decades of experience in South Florida real estate and more than $300 million in closed real estate transactions, Mark has built his business representing buyers and sellers of luxury homes, waterfront properties, condominiums, new construction, and investment [...]

Mark Chatburn is a Global Real Estate Advisor with ONE Sotheby’s International Realty, specializing in luxury real estate in Key Biscayne and Coconut Grove. With more than two decades of experience in South Florida real estate and more than $300 million in closed real estate transactions, Mark has built his business representing buyers and sellers of luxury homes, waterfront properties, condominiums, new construction, and investment properties.

A longtime Key Biscayne real estate specialist, Mark brings extensive knowledge of the local market together with a highly personalized and strategic approach. His experience spans some of Miami’s most sought-after properties, from waterfront estates and new construction homes in Key Biscayne to luxury residences throughout Coconut Grove and the greater Miami market.

Mark is known for providing thoughtful, straightforward advice throughout every stage of a transaction. For sellers, his approach combines strategic pricing and positioning with sophisticated property presentation, digital and social media, targeted outreach, public relations, and the global reach of the Sotheby’s International Realty network. For buyers, his deep understanding of the market and local communities allows him to identify opportunities and provide guidance that extends beyond the individual property.

Fluent in English and Spanish, Mark works with both local and international clients and has built his business through long-term relationships, referrals, discretion, and a commitment to exceptional service. His goal is not simply to complete a transaction, but to serve as a trusted real estate advisor to his clients for years to come.