What kind of internet coverage can I expect on a ferry trip in the Philippines with SouthESIM?

When you're island-hopping in the Philippines, for instance, between Cebu and Bohol, your SouthESIM will generally provide good coverage while the ferry is closer to shore or passing by populated islands. However, when you head out into the open sea, especially between distant islands, the signal might become intermittent or drop off entirely. It's a great time to enjoy the views, but plan for some offline time if you're on a longer stretch!