JMB Oasis Ranch is a small family owned horse facility in San Tan Valley, AZ. We specialize in beginning Western Riding Lessons for children and adults, as well as therapy lessons for special needs clients; we also provide colt starting, tune ups, help with your problem horse, consignment sales, and local horse transport. Currently accepting bookings for the 2013 breeding season to our cremello Quarter Horse stallion, JMB Circuit Preacher. Preacher is 86.9% foundation bred and is registered with the AQHA and FQHA. Herda Negative.