Horntown, Virginia is a small unincorporated community located in Accomack County on the Eastern Shore of the state. The climate in Horntown is a humid subtropical climate, characterized by hot, humid summers and mild winters. The area experiences moderate rainfall throughout the year.

Hydrologically, Horntown is situated near the Chincoteague Bay, which is part of the larger Chesapeake Bay system. The community is surrounded by marshes and wetlands, creating a unique ecosystem that supports various plants and wildlife.

Outdoor recreation opportunities in Horntown are abundant. Nature enthusiasts will find themselves immersed in the natural beauty of the nearby Chincoteague National Wildlife Refuge and the Assateague Island National Seashore. These areas offer opportunities for hiking, birdwatching, wildlife observation, and beach activities. Visitors can also enjoy boating, kayaking, and fishing in the bay waters. Horntown serves as a gateway to the popular Chincoteague Island, known for its annual wild pony swim and picturesque beach. Overall, Horntown provides a serene and nature-rich environment for outdoor enthusiasts to explore.