Complex sentence: He added over 75 vessels to the last effort by Gaylord Kelshall in the 1980s which focused on the Caribbean Sea as distinct from the Bahamas and Turks and Caicos, which lie to the north, and outside the Caribbean.
Split into simpler sentences: He added over 75 vessels to the last effort by Gaylord Kelshall in the 1980s which focused on. The Caribbean Sea as distinct from the Bahamas and Turks and Caicos, which lie to the north outside the Caribbean.