Joshua 15:12

And the west border is to the great sea, and its border; this is the border of the sons of Judah round about for their families.

Numbers 34:6-7

'As to the west border, even the great sea hath been to you a border; this is to you the west border.

Joshua 15:47

Ashdod, its towns and its villages, Gaza, its towns and its villages, unto the brook of Egypt, and the great sea, and its border.

Ezekiel 47:20

And the west quarter is the great sea, from the border till over-against the coming in to Hamath: this is the west quarter.

Deuteronomy 11:24

every place on which the sole of your foot treadeth is yours; from the wilderness, and Lebanon, from the river, the river Phrat, even unto the farther sea is your border;

Treasury of Scripture Knowledge

Summary

And the west border was to the great sea, and the coast thereof. This is the coast of the children of Judah round about according to their families.

General references

Bible References

The great sea

Joshua 15:47
Ashdod, its towns and its villages, Gaza, its towns and its villages, unto the brook of Egypt, and the great sea, and its border.
Numbers 34:6
'As to the west border, even the great sea hath been to you a border; this is to you the west border.
Deuteronomy 11:24
every place on which the sole of your foot treadeth is yours; from the wilderness, and Lebanon, from the river, the river Phrat, even unto the farther sea is your border;
Ezekiel 47:20
And the west quarter is the great sea, from the border till over-against the coming in to Hamath: this is the west quarter.

General references

Numbers 34:6
'As to the west border, even the great sea hath been to you a border; this is to you the west border.