Japan-Places.com listou aprox 5 bancos dentro Yokosuka. Alguns dos mais bem avaliados bancos dentro Yokosuka estão- Suruga Bank Yokosuka Housing Loan Center, Resona Bank Limited Yokosuka Branch Resona Yokosuka Housing Loan Center, Risonaginko Yokosuka Shiten, Banco de Yokohama Yokosuka Business Loan Center & Shinsei Bank Head Office Cartão Empréstimo Yokosuka Central Station Filial.