Watch Mako Mermaids Season HD Full Free on solarmovie.do. Watch Mako Mermaids tv series online free. A young man is magically turned a merman, and discovers his underwater origins, after he comes in co...A young man is magically turned a merman, and discovers his underwater origins, after he comes in contact with the magic waters at the mysterious Mako Island guarded by a trio of mermaids.