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Premier Lakeshore Real Estate Broker

Amy O'Sullivan

Meet Amy O'Sullivan

Buyer's Agent | Listing Agent | Relocation Specialist

With 20 years of experience buying and selling real estate along Southwest Michigan's beautiful lakeshore, I have the knowledge and experience you need for a seamless experience. When buying or selling with me, you'll experience a client-focused approach from start to finish, with services tailored to your unique needs. I pride myself on being a one-stop shop for both buyers and sellers.


My ability to listen and understand my clients' needs allows me to continuously exceed their expectations. I am the most successful real estate agent in the South Haven/Lakeshore housing market with a clientele consisting of investors, developers, first-time home buyers, and vacation home buyers from around the world. My personable and professional character allows me to build and maintain solid relationships, which explains why my business has grown mostly from referrals and repeat clients.


I am known for offering my clients top-notch customer service and follow-through. Over the past year, I have sold 88 homes and $43 million dollars in Southwest Michigan Real Estate.

Put my knowledge and experience to work for you!

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South Haven's Premier Real Estate Expert

11 Years as the Top-Selling Agent!

 I am thrilled to share that for the past 11 years straight, I have proudly held the title of the top-selling agent in South Haven. This accomplishment reflects not only my commitment to delivering exceptional service but also the trust and satisfaction of my valued clients. When you partner with me, you're choosing a proven leader in the South Haven real estate market dedicated to achieving the best possible outcomes for you.



Lakeshore Properties | Second Homes | Investment Properties | Corporate Relocation Certified | Strategic Marketing for Sellers | Accredited Buyer's Representative

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Accredited Buyer’s Representatives (ABR)

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Graduate, REALTOR® Institute (GRI)

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Resort and Second-Home Property Specialist (RSPS)

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Equal Opportunity Housing

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The National Association of REALTORS®


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  • Associate Broker

  • Multi-Million Dollar Producer

  • Member Southwest Board of REALTORS*

  • Member Michigan Association of REALTORS*

  • Member National Association of REALTORS*

  • Silver Life & Gold Life Award Recipient​

  • Diamond & Platinum Production Award Recipient 17 years in a row

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