Of five counties in the Rainbow State, Hawaii County is first in terms of its size (5,086 square miles). Hawaii County is in the The Big Island Hawaii region. The most common type of land for sale by combined acreage in Hawaii County is undeveloped land. Browse all Hawaii County horse farms for sale on the Land Network to find the equestrian property that's right for your future needs, whether you're a horse breeder, equestrian business or simply horse lover looking for stable facilities, grooming pens or grazing pasture for your own horses.