Howbeit (alla). Joh 6:23 is really an explanatory parenthesis in this long sentence. Tiberias, capital of Herod Antipas, diagonally across the lake, is only mentioned in John in the N.T. (Joh 6:1, Joh 6:23; Joh 21:1).
Boats (ploia). Called “little boats” (ploiaria) in Joh 6:24.