Which sentence is punctuated correctly?

The treasure hunter visited Folletts Island, Texas, Galveston Island, Texas, and Culiacán, Sinaloa.

The treasure hunter visited Folletts Island, Texas; Galveston Island, Texas; and Culiacán, Sinaloa.

The treasure hunter visited Folletts Island, Texas Galveston Island, Texas and Culiacán, Sinaloa

The sentence "The treasure hunter visited Folletts Island, Texas; Galveston Island, Texas; and Culiacán, Sinaloa." is punctuated correctly.