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Key Deer

Key Deer and Dogs in Florida

A deer the size of a large dog, found nowhere else. Never chase and never feed - feeding is what draws them onto the roads.

Updated September 7, 2026 2 min read By

Most visitors never meet most of this. Florida is a big state and its wildlife changes a lot from region to region - a cane toad is a South Florida backyard problem, a black bear is a central and north Florida one, and a crocodile only matters in the far south. These guides are here for the encounter you do have, not because one is likely.

Key deer are one of Florida’s most distinctive native mammals.

They are the smallest subspecies of white-tailed deer in North America and live only in the Lower Florida Keys.

For dog owners:

Keep dogs leashed, do not let them chase deer, and never feed Key deer.

Where Key Deer Live

Key deer are primarily associated with the Lower Keys, especially around:

  • Big Pine Key
  • No Name Key
  • Nearby islands

They may appear in:

  • Neighborhoods
  • Roadsides
  • Natural areas
  • Residential yards

Why Dogs Matter

A dog chasing a deer can:

  • Injure the deer
  • Cause road collisions
  • Separate young animals from adults
  • Trigger panic

Even a small dog can cause a problem.

Keep Dogs on a Short Leash

When walking in Key deer habitat:

  • Use a short leash
  • Keep dog close to you
  • Do not allow lunging
  • Avoid off-leash roaming

Do Not Feed Key Deer

Feeding Key deer is harmful.

It can:

  • Make them approach roads
  • Increase vehicle strikes
  • Reduce natural wariness
  • Create human-wildlife conflict

Road Safety

Key deer commonly cross roads.

When driving with a dog:

  • Slow down
  • Watch shoulders
  • Avoid sudden dog movement near open windows

Fawns

If you see a fawn:

  • Keep dog far away
  • Do not approach
  • Do not assume it is abandoned

Adult deer may be nearby.

Dogs in Yards

In the Lower Keys, do not let dogs run unsupervised in yards if deer are common nearby.

Use:

  • Fence
  • Leash
  • Direct supervision

If a Deer Approaches

Do not encourage it.

Move away calmly and keep the dog behind you.

Injured Deer

Keep pets away.

Contact appropriate wildlife authorities.

Best Key Deer Safety Checklist

  • Short leash
  • No chasing
  • Never feed
  • Drive slowly
  • Keep dog away from fawns
  • Supervise yard time

Key deer are one of those Florida animals people travel specifically to see.

The best encounter is one where the deer remains calm and your dog stays completely under control.

Sources

  • U.S. Fish and Wildlife Service — Key Deer: fws.gov
  • National Key Deer Refuge: fws.gov
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