Recognized As Leaders in Marina and Golf Course Real Estate Transactions

Are you looking for the right partner to help you achieve your goals?  With National Golf and Marina Properties Group, there is nothing standing between you and success…

The success of National Golf and Marina lies in its striking versatility. The organization combines a powerful national and international presence with the agility of a market innovator. We have the resources and insight to understand its local market and the expertise to convert this knowledge into tangible value for each client. 

Eddy Dingman

Eddy A. Dingman

President/Founder, Business Broker

Direct: (847) 987-6626
Fax: (781) 810-9653
[email protected]

Eddy A. Dingman is the founder of National Golf & Marina Properties Group of Coldwell Banker Commercial. Eddy is a licensed business and commercial real estate broker recognized for his experience, professionalism and integrity.

Growing up on a marina property on the Great Lakes, Eddy’s passion was ignited at a very young age. He served in the United States Navy and is now an avid sailor and boater on the Great Lakes.

Eddy has a proven track record of successful marina, golf course, waterfront development, RV, and investment property transactions. Eddy, and his team of professionals, are well-versed in unique elements and trends of the industry, with access to local, national, and international market data, Eddy and his team will provide you with all critical information to help you make informed decisions and design the ideal real estate solution that meets your needs.

Simply put, Eddy is a “go getter” who produces timely and desired results. He is different from most other brokers in that he believes as a broker his ability to market and sell any type of property depends on thoroughly knowing and believing in the property. Hence, he makes it a point to visit with the client and meticulously study the property, at his own expense.

Eddy has in-depth knowledge and understanding of what it takes to run and market a successful business, being a former business owner of two successful companies. This expertise, taken together with his relationships and experience in working with all government agencies at local, state, and federal level, including but not limited to, the U.S. Army Corps of Engineers, Tennessee Valley Authority (TVA), and the Department of Natural Resources, is key in facilitating a successful transaction.

Eddy’s established client relationships and successful track record prove he can provide the highest professional level of service for investors and property owners alike. His unique credentials, commitment, discipline, and skills will speak for itself. 


MBA, Business Management University of Michigan

BS Finance Western Michigan University

Licensed Real Estate Broker

Licensed Business Broker

United States Navy


Gregory M. Oehler

Operations Director, Real Estate Broker

Gregory Oehler joined the team at National Golf and Marina Properties Group in 2016. Greg concentrates on the golf and investment sectors of commercial real estate. A native of Buffalo, New York, he assumed the role of CEO of HUNT Commercial Real Estate in 2008 and remained in that position until he relocated to South Florida in 2014 and affiliated with Coldwell Banker Commercial. He currently works out of the Coldwell Banker office in Boynton Beach, FL and continues to maintain his New York State real estate license. Experienced in both company start-ups and acquisitions, Greg has successfully managed companies with annual revenues in of $3.5 to $7.0 million. In addition to his range of capabilities in sales, marketing, finance and accounting, Greg is a motivated team leader who recognizes client opportunities and utilizes a meticulous approach to transaction completion. With his broad-based experience in real estate and business finance, Gregory will be advantage to both buyers and sellers within the marina, waterfront, RV, and golf acquisitions. His extended and proven track record make him a valuable team member of our group.


  • CEO – Hunt Commercial Real Estate, New York – 2008
  • Rochester Chapter of the New York State Commercial Association of Realtors – Deal of the Year – 2012
  • Commercial Real Estate Broker – Coldwell Banker Commercial Real Estate, Florida – 2014 – Present
  • Operations Director – National Golf and Marina Properties Group – 2016 – Present


MBA, Finance St. Bonaventure University

BS Business Administration/Accounting Gannon University

Still have questions?
Contact us! We're always happy to help.