וַיִּגְעַ֣ר בְּיַם־ס֭וּף וַֽיֶּחֱרָ֑ב וַיּוֹלִיכֵ֥ם בַּ֝תְּהֹמ֗וֹת כַּמִּדְבָּֽר׃
And He rebuked the Red Sea, and it was dried up; and He led them through the depths, as through a wilderness.
Read kabbalistic (mystical) interpretation of Psalms 106:9: and classical mystical sources.