Kent Island Sporthorses is owned by Wendy and Marty Costello. Kent Island was formerly Riverland Farm, established in 1995. KIS is the home of Elite Hanoverian Stallion Donavan and Rosall, Oldenburg Stallion.
As quarter horse breeders, Magnolia Quarter Horses specializes in quarter horses with versatility. We offer Kentucky Breeder Incentive Fund quarter horses for salewith the ability and attitude for cross country eventing, halter, reining, or just pleasure riding.