Numbers 34:6

And the boundary of the sea, and it was to you the great sea; and this shall be the boundary to you, the boundary of the sea.

Joshua 1:4

From the desert and this Lebanon, and even to the great river, the river Euphrates, all the land of the Hittites, and even to the great sea, from the going down of the sun, shall be your bound.

Joshua 9:1

And it will be when all the kings hear which are on the other side Jordan, in the mountain and in the plain, and in all the coast of the great sea, and in front of Lebanon, the Hittite and the Amorite, the Canaanite, the Perizzite, the Hivite and the Jebusite;

Joshua 15:12

And the bound of the sea, the great sea: and this bound the bound of the sons of Judah round about according to their families.

Joshua 15:47

Ashdod, her daughters and her enclosures: Gaza, her daughters and her enclosures, even to the torrent of Egypt, and the great sea and the bound:

Joshua 23:4

See, I cast to you in lot these nations having been left in inheritance to your tribes from Jordan, and all the nations which I cut off, and the great, sea, from the going down of the sun.

Ezekiel 47:10

And it was the fisherman shall stand upon it from the fountain of the kid, even to the fountain of the two calves; they shall be a spreading for nets; their fish shall be according to its kind as the fish of the great sea very many.

Ezekiel 47:15

And this the bound of the land to the side of the north from the great sea, the way of Hethlon, to go to Zedad

Ezekiel 47:20

And the side of the sea the great sea from the bound, even to over against the entrance of Hamath. This the side of the sea.

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 desert and this Lebanon, and even to the great river, the river Euphrates, all the land of the Hittites, and even to the great sea, from the going down of the sun, shall be your bound.
Joshua 9:1
And it will be when all the kings hear which are on the other side Jordan, in the mountain and in the plain, and in all the coast of the great sea, and in front of Lebanon, the Hittite and the Amorite, the Canaanite, the Perizzite, the Hivite and the Jebusite;
Joshua 15:12
And the bound of the sea, the great sea: and this bound the bound of the sons of Judah round about according to their families.
Joshua 23:4
See, I cast to you in lot these nations having been left in inheritance to your tribes from Jordan, and all the nations which I cut off, and the great, sea, from the going down of the sun.
Ezekiel 47:10
And it was the fisherman shall stand upon it from the fountain of the kid, even to the fountain of the two calves; they shall be a spreading for nets; their fish shall be according to its kind as the fish of the great sea very many.