Joshua 15:2 - Wesley's Explanatory Notes

The bay — Heb. the tongue: either a creek or arm of that sea; or a promontory, which by learned authors is sometimes called a tongue. Every sea is salt, but this had an extraordinary saltness, the effect of that fire and brimstone which destroyed Sodom and Gomorrah: the ruins of which lie buried at the bottom of this dead water, which never was moved itself by any tides, nor had any living thing in it.