Watch Mako Mermaids: An H2O Adventure Online

Aug 28, 2015 - 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.

Watch Mako Mermaids: An H2O Adventure

Watch Mako Mermaids: An H2O Adventure

Prime Video: Mako Mermaid, Season 3

Watch Mako: Island of Secrets season 1 episode 24 streaming online

Watch Mako Mermaids: An H2O Adventure Online - Full Episodes - All

Mako Mermaids: An H2O Adventure - stream online

Mako Mermaids - Rotten Tomatoes

Watch Mako Mermaids: An H2O Adventure

Mako Mermaids S2 E18 - The Siren (short episode) on Vimeo