6400 N. Northwest HighwayChicago IL, 60631
(847) 987-6626 (781) 810-9653 eddy@nationalgolfandmarina.com

Recognized as Leaders in Golf Course and Marina 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 A. Dingman

President/ Founder, Business Broker

Eddy A. Dingman, CNSEddy A. Dingman is a licensed commercial real estate and business broker who specializes in golf courses, marinas, and waterfront properties nationwide and internationally.  His strengths lie in solidifying sales, specializing in golf course and marina sales totaling more than $200 million to date. A former owner of a marina resort, he has an in-depth understanding of research and land development, and has dealt with many governmental authorities in facilitating real estate transactions. Over the years, he's been recognized for his professional approach and is renowned at providing reliable, trustworthy service to his clients in the golf and marina real estate world.



National Association of Realtors
National Golf Course Owners Association (NGCOA), Corporate Member
Association of Marina Industries (AMI)
International Marina Institute (IMI)
Wisconsin Marina Association (WMA)
Great Lakes Boating
Marine Industries Association of South Florida (MIASF)


MBA, Business Management, University of Michigan
BS, Finance, Western Michigan University
Lic Real Estate Broker
Lic Business Broker
USN (United States Navy)


Gregory M. Oehler, MBA

Operations Director/ Real Estate Broker

Gregory Oehler joined the team at National Golf and Marina Properties Group in 2016. Greg Oehler 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 NRT. 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. Besides 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 golf and marina acquisitions. His extended and proven track record make him a valuable team member of our group.


Rookie of the Year – HUNT Commercial Real Estate, New York – 2003
Rochester Branch Manager – HUNT Commercial Real Estate, New York – 2004
CEO – Hunt Commercial Real Estate, New York – 2008
Rochester Chapter of the New York State Commercial Association of Realtors - Deal of the Year – 2012
President of Sterling Suburban Glass Co., Inc. – 12 years
President of Gerard Manufacturing Company, Inc. – 10 years
Commercial Real Estate Broker – Coldwell Banker Commercial Real Estate, Florida – 2014 - Present


BS in Business Administration/Accounting from Gannon University
MBA-Finance from St. Bonaventure University