Where is the southernmost point in the lower 48?

Here is the question :

WHERE IS THE SOUTHERNMOST POINT IN THE LOWER 48?

Here is the option for the question :

• Brownsville, Texas
• San Diego, California
• Biloxi, Mississippi
• Ballast Key, Florida

The Answer:

And, the answer for the the question is :

Explanation:

[STC0010236]. There is no location in the contiguous United States that is situated any further south than the island of Ballast Key, which is a part of the Key West National Wildlife Refuge. A few further tiny parcels of land can be found a little further to the south, but they do not qualify as qualifying land because they are frequently covered by water. Key West, in the state of Florida, holds the distinction of being the most southernly incorporated place in the 48 contiguous states.