Iowa Land For Sale by 4 Rivers Realty Inc. broker Jason Kok specializes in a wide range of Iowa real estate. From acreages and farms to lake properties and hunting land we will find the property of your dreams. Exclusive listing agent for Lake Sundown. Growing up on a dairy farm in south-central Wisconsin I learned an appreciation for the great outdoors. Land has been a precious resource for the human race since the beginning of time. I have been involved with land all of my life but have been in the real estate business for nearly 14 years. I find it a privilege to find customers the right setting in what I consider one of the best kept secrets of the Midwest.