All Episodes - Mako Mermaids Watch on Disney Channel and available on Disney+Watch on Disney Channel and available on Disney+. Find out where to stream Mako: Island of Secrets online. Compare platforms, watch episodes, and start streaming today.
This "H2O" sequel follows Zac, a boy who accidentally turns into a merman and threatens the existence of three young mermaids who guard Mako Island. Watch trailers & learn more.. Mako Mermaid Life is trouble-free on Mako Island - until the day that Ondina meets Weilan, a new mermaid from the Eastern pod. They immediately clash and Mimmi has to act as peacemaker.