Perhaps Peppe--our beloved and esteemed resident theologian and historian of the churches of Ischia-- might provide us some information about the strong nautical theme of the Soccorso Chapel interior, and about the small altar on the north wall!
While awaiting, I'll play my favorite Gilbert & Sullivan operetta, "HMS Pinafore." Let's sing all together, now:
We sail the ocean blue
and our saucy ship's a beauty.
We're sober men and true,
and attentive to our duty!