Numbers 34:6

"'For the western border, you shall have the great sea and the border [of it]: this shall be your west border.

Joshua 1:4

From the wilderness, and this Lebanon, even to the great river, the river Euphrates, all the land of the Hittites, and to the great sea toward the going down of the sun, shall be your border.

Joshua 9:1

It happened, when all the kings who were beyond the Jordan, in the hill country, and in the lowland, and on all the shore of the great sea in front of Lebanon, the Hittite, the Amorite, the Canaanite, the Perizzite, the Hivite, and the Jebusite, heard of it

Joshua 15:12

The west border was to the shore of the great sea. This is the border of the children of Judah according to their families.

Joshua 15:47

Ashdod, its towns and its villages; Gaza, its towns and its villages; to the brook of Egypt, and the great sea with its coastline.

Joshua 23:4

Behold, I have allotted to you these nations that remain, to be an inheritance for your tribes, from the Jordan, with all the nations that I have cut off, even to the great sea toward the going down of the sun.

Ezekiel 47:10

It shall happen, that fishermen shall stand by it: from En Gedi even to En Eglaim shall be a place for the spreading of nets; their fish shall be after their kinds, as the fish of the great sea, exceeding many.

Ezekiel 47:15

This shall be the border of the land: On the north side, from the great sea, by the way of Hethlon, to the entrance of Zedad;

Ezekiel 47:20

The west side shall be the great sea, from the [south] border as far as over against the entrance of Hamath. This is the west side.

Treasury of Scripture Knowledge

Summary

And as for the western border, ye shall even have the great sea for a border: this shall be your west border.

Bible References

General references

Joshua 1:4
From the wilderness, and this Lebanon, even to the great river, the river Euphrates, all the land of the Hittites, and to the great sea toward the going down of the sun, shall be your border.
Joshua 9:1
It happened, when all the kings who were beyond the Jordan, in the hill country, and in the lowland, and on all the shore of the great sea in front of Lebanon, the Hittite, the Amorite, the Canaanite, the Perizzite, the Hivite, and the Jebusite, heard of it
Joshua 15:12
The west border was to the shore of the great sea. This is the border of the children of Judah according to their families.
Joshua 23:4
Behold, I have allotted to you these nations that remain, to be an inheritance for your tribes, from the Jordan, with all the nations that I have cut off, even to the great sea toward the going down of the sun.
Ezekiel 47:10
It shall happen, that fishermen shall stand by it: from En Gedi even to En Eglaim shall be a place for the spreading of nets; their fish shall be after their kinds, as the fish of the great sea, exceeding many.