Julie E. Harbor and her husband, Darin, have listed for sale a four-bedroom, 3.5-bath home at 1675 Whispering Hollow Court in Wildwood for $529,900.

The Harbors paid $458,480 for the property in May 2003. The 4,236-square-foot house, which was built in 2003, is in the Garden Valley Farms subdivision. Ann Aranda of Keller Williams Realty is the listing agent.

Ms. Harbor is the owner of Core Strength LLC, a personalized fitness company. She also serves as a master instructor trainer for FiTOUR and is an expert in pilates mat and equipment, yoga, cycling, water fitness and group fitness. She has been in the fitness industry for nearly 20 years.

She received her bachelor’s in education from Miami University of Ohio.

Mr. Harbor is a sales manager in the Mid-American district of Rockwell Automation, a firm which offers industrial automation, power, control and information solutions and services.

He received his B.S. in mechanical engineering from the University of Missouri–Columbia in 1988.

There were 473 home sales in Wildwood in 2008, with a median sales price of $320,000.

Address: 1675 Whispering Hollow Court