John Mark
Mark 2:13ESV·traditional attribution

He went out again beside the sea, and all the crowd was coming to him, and he was teaching them.

Matthew Henry Presbyterian @wholebiblehenry

Here is, I. Christ preaching by the sea-side (Mar 2:13), whither he went for room, because he found, upon second trial, no house or street large enough to contain his auditory; but upon the strand there might come as many as would. It should seem by this, that our Lord Jesus had a strong voice, and could and did speak loud; for wisdom crieth without in the places of concourse.

Commenting on Mark 2:13-17

John Gill Reformed Baptist @doctorgill

And as he passed by,.... As he went from Simon's house, and from the city of Capernaum, to go to the sea side: he saw Levi, the son of Alphaeus; the same with Matthew, Mat 9:9, and son to the same Alphaeus as James was, Mat 10:3, Beza's most ancient copy reads "James", instead of "Levi", very wrongly; but he was the brother of James...

Albert Barnes Presbyterian @notesbybarnes

Verse 13. By the sea side. That is, by the sea of Tiberias, on the shore of which Capernaum was situated. .