Mike's Dive Store accepts all major credit and debit cards including American Express and Paypal. Payments are made securely via our secure payment partner - Sagepay - the industry leader in secure online card payments, and we offer complete peace of mind by using Green Bar encryption from Thawte.  You can view their certificate and our license on every page (bottom left corner).  A little about this service:

Extended Validation SSL Certificates, capable of up to 256-bit encryption, comply with the strongest identity authentication standard available today. A unique and highly visible green address bar will display in the latest high-security browsers if a site uses Extended Validation SSL.