Joshua 15:2

Their southern border was from the lower end of the Salt (Dead) Sea, from the bay that turns southward.

Genesis 14:3

All of these [kings] joined together [as allies] in the Valley of Siddim (that is, the Sea of Salt).

Numbers 34:3

your southern region shall be from the Wilderness of Zin along the side of Edom, and your southern boundary from the end of the Salt (Dead) Sea eastward.

Joshua 3:16

the waters which were flowing down from above stopped and rose up in one mass a great distance away at Adam, the city that is beside Zarethan. Those [waters] flowing downward toward the sea of the Arabah, the Salt Sea, were completely cut off. So the people crossed [the river] opposite Jericho.

Isaiah 11:15


And the Lord will utterly destroy
The tongue of the Sea of Egypt;
And with His scorching wind
He will wave His hand over the River;
He will strike and divide it into seven channels
And make [it possible for] people [to] walk over in sandals.

Ezekiel 47:8

Then he said to me, “These waters go out toward the eastern region and go down into the Arabah (the Jordan Valley); then they go toward the sea, being made to flow into the sea, and the waters of the Dead Sea shall be healed and become fresh.

Ezekiel 47:18

“The east side, from between Hauran, Damascus, Gilead, and the land of Israel, shall be the Jordan; from the north border to the eastern sea you shall measure. This is the east side.

Treasury of Scripture Knowledge

Summary

And their south border was from the shore of the salt sea, from the bay that looketh southward:

Bible References

The salt sea

Joshua 3:16
the waters which were flowing down from above stopped and rose up in one mass a great distance away at Adam, the city that is beside Zarethan. Those [waters] flowing downward toward the sea of the Arabah, the Salt Sea, were completely cut off. So the people crossed [the river] opposite Jericho.
Genesis 14:3
All of these [kings] joined together [as allies] in the Valley of Siddim (that is, the Sea of Salt).
Numbers 34:3
your southern region shall be from the Wilderness of Zin along the side of Edom, and your southern boundary from the end of the Salt (Dead) Sea eastward.
Ezekiel 47:8
Then he said to me, “These waters go out toward the eastern region and go down into the Arabah (the Jordan Valley); then they go toward the sea, being made to flow into the sea, and the waters of the Dead Sea shall be healed and become fresh.