The term 'South Pacific Locale' can be summarized by the crossword solution 'ISLE, ' which is a four-letter word. An ISLE is a small island, typically located in a body of water such as an ocean or a lake. The South Pacific is an ocean region located in the southern hemisphere, and is home to many small islands. Therefore, the term 'South Pacific Locale' can be used to refer to any of the islands located in this region.