States With the Longest Coastlines

U.S. States With the Longest Coastlines

Florida
This photo of the Seven Mile Bridge near Key Largo, Florida straddles the Atlantic Ocean and its Gulf of Mexico. Florida is one of 23 U.S. states that is adjacent to an ocean. Getty Images

The United States is home to 50 different states that vary greatly in size and location. Nearly half of the states of the United States are not landlocked and border the Atlantic Ocean (or its Gulf of Mexico), the Pacific Ocean, and even the Arctic Sea. Twenty-three states are adjacent to an ocean while twenty-seven states are landlocked.

The following is a list of the states with the ten longest coastlines in the United States arranged by length.

The bodies of water that they border have been included for reference.

1) Alaska
Length: 6,640 miles 
Bordering: The Pacific Ocean and ​the Arctic Ocean

2) Florida
Length: 1,350 miles 
Bordering: The Atlantic Ocean and the Gulf of Mexico

3) California
Length: 840 miles 
Bordering: The Pacific Ocean

4) Hawaii
Length: 750 miles 
Bordering: The Pacific Ocean

5) Louisiana
Length: 397 miles
Bordering: The Gulf of Mexico

6) Texas
Length: 367 miles 
Bordering: The Gulf of Mexico

7) North Carolina
Length: 301 miles 
Bordering: The Atlantic Ocean

8) Oregon
Length: 296 miles 
Bordering: The Pacific Ocean

9) Maine
Length: 228 miles 
Bordering: The Atlantic Ocean

10) Massachusetts
Length: 192 miles 
Bordering: The Atlantic Ocean

To learn more about ​the United States, visit the United States section of this website.

References Infoplease.com. (n.d.). The Top Ten: States with Longest Coastlines. Retrieved from: http://www.infoplease.com/toptens/longestcoastlines.html