Executive Home Sites Centennial Vista Estates is a mountain subdivision with home sites ranging from two to ten acres. Services provided are association water, underground power and phone services. With its close proximity to Spearfish, Deadwood and Exit 17 off Interstate 90, it is perfectly positioned for convenient living with some elbow room and spectacular views. Centennial Vista Estates is within minutes and sight view of the Elkhorn Ridge Development at I-90, Exit 17. Elkhorn Ridge includes a campground and golf course as well as future plans for hospital, convenience store, retail complex, hotel and resturant services. Please browse the following attachments and links for all of the details about these executive home sites.