Great insight!
Itinerary 1:
4 ships in Roatan 2 RCI, 2CCL
5 ships in Cozumel 1 RCI, 2 CCL, 1 Norwegian, 1 Disney
2 ships in Costa Maya
Itinerary 2:
2 ships in Roatan 1 RCI, 1 Norwegian
4 ships in Cozumel 1 RCI, 1 Norwegian, 1CCL, 1 MSC
2 ships in Costa Maya
2 ships in CocoCay