'Sea' in the Bible

Gilead stayed beyond the Jordan; and Dan, why did he abide with the ships? Asher sat still at the coast of the sea, settling down by his landings.

Now [the] Midianites, Amalekites, and all the people of [the] east [were] lying in the valley, like a great multitude of locusts; their camels were without number, as numerous as the sand that [is] on the shore of the sea.

But when Israel came up from Egypt, and walked through the wilderness unto the Red sea, and came to Kadesh;