Aspects of the disclosure relate to compositions and methods for treating hereditary hearing loss and/or vision loss, for example, due to Usher syndrome, Type 3A. In some embodiments, the disclosure provides a recombinant adeno-associated virus comprising: (i) an AAV-S capsid protein, and (ii) an isolated nucleic acid comprising a transgene (e.g., a transgene for expressing a clarin-1 protein). The present disclosure also provides methods of treating hereditary hearing loss and/or vision loss (e.g., Usher Syndrome, Type 3A) using the same.