Australia
During a trip to Mako Island, Zac gets in touch with the water of the magic Moon Pool in a night of full Moon, gaining a merman tail and the power to manipulate water. Sirena, Nixie and Lyla, three mermaids who guard Mako Island, are sent to mainland by their fellow mermaids to deprive Zac of his powers, otherwise they will be forever banned from the island. - IMDb
| H2O: A Ilha de Mako |  Portugal |
| Las sirenas de Mako |  Spain |
| Las sirenas de Mako |  Mexico |
| Mako - Einfach Meerjungfrau |  West Germany |
| Mako Mermaids |  Israel |
| Mako Mermaids |  India |
| Mako Mermaids | India |
| Mako Mermaids |  Japan |
| Mako Mermaids |  South Korea |
| Mako Mermaids |  Netherlands |
| Mako Mermaids |  Philippines |
| Mako Mermaids |  Turkey |
| Mako Mermaids |  USA |
| Mako Mermaids |  South Africa |
| Mako Mermaids |  United Arab Emirates |
| Mako Mermaids |  Brazil |
| Mako Mermaids |  Canada |
| Mako Mermaids | Canada |
| Mako Mermaids |  Ecuador |
| Mako Mermaids |  Egypt |
| Mako Mermaids |  United Kingdom |
| Mako Mermaids |  Hong Kong |
| Mako Mermaids - Vita da tritone |  Italy |
| Mako Mermaids: An H2O Adventure |  Indonesia |
| Mako Mermaids: An H2O Adventure |  Sweden |
| Mako Mermaids: An H2O Adventure |  Thailand |
| Mako Mermaids: An H2O Adventure | |
| Mako Mermaids: Syreny z Mako |  Poland |
| Mako: Island of Secrets (new title) | Australia |
| Makoi hableányok: Vizes kaland |  Hungary |
| Mořské panny z ostrova Mako |  Czechoslovakia |
| Mořské víly z ostrova Mako | Czechoslovakia |
| Secret of Mako Island | |
| Sirene s ostrva Mako |  Serbia |
| Sirenele Insulei Mako |  Romania |
| Les sirènes de Mako |  France |
| Οι γοργόνες του Μάκο |  Greece |
| Секрет острова Мако |  Ukraine |
| Таємниці острова Мако | Ukraine |
| Тайны острова Мако |  Russia |
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Angourie Rice [14] | Neppy (TV Episode: Stowaway) (2015) |
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Nicholas Hamilton [13] | Ben (TV Episode: I Don't Believe in Mermaids) (2013) |
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Cameron Caulfield [13] | Ned (TV Episode: Stormy Seas) (2015) |
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Piper Nairn [10] | Girl at Traffic Lights (TV Episode: Getting Legs) (2013) |
