Boyd’s Bible Dictionary:

The Hebrews so designated any large body of water, whether lake, river, sea, or ocean
(Gen. 1:10; Deut. 30:13; Job 14:11; Isa. 19:5; Jer. 51:36; Ezek. 32:2). (1) “Molten sea” was the immense brass layer of Solomon’s temple (1 Kings 7:23-26). (2) “Sea of the Plain” (Deut. 4:49). [SALT SEA.] (3) “Great Sea” (Josh. 15:47), “uttermost sea” (Deut. 11:24), the Mediterranean, between Europe and Africa. (4) “Sea of Tiberias” [GENNESARET.] (5) “Sea of Merom” [MEROM.]

Concise Bible Dictionary:

The seas referred to in scripture are:
1. THE MEDITERRANEAN, under the names of “the great sea” (Num. 34:6-7; Ezek. 48:28); “the uttermost sea,” or “the hinder sea” (Deut. 11:24; Zech. 14:8); “the sea of Joppa” (Ezra 3:7); “sea of the Philistines” (Ex. 23:31).
The “SEA OF CILICIA AND PAMPHYLIA” (Acts 27:5), is the N. E. corner of the Mediterranean Sea.
2. THE SALT SEA (Num. 34:3, 12); also called “the east sea” (Ezek. 47:18; Joel 2:20); “the former sea” (Zech. 14:8); “the sea of the plain” (Deut. 3:17; Josh. 3:16; Josh. 12:3; 2 Kings 14:25). See SALT SEA.
3. THE RED SEA (Ex. 10:19; Psa. 106:7, 9, 22; Heb. 11:29); also called “the Egyptian sea” (Isa. 11:15). See RED SEA.
4. THE SEA OF GALILEE (Mark 1:16); also called the “Sea of Tiberias” (John 21:1); the “Sea of Chinnereth” (Num. 34:11; Josh. 12:3; Josh. 13:27); the “Lake of Gennesaret” (Luke 5:1). See GALILEE, SEA OF.
5. SEA OF JAZER, a small lake in Gilead, now represented by some ponds, near where Jazer stood (Jer. 48:32).