Register with Quality Boats - Marathon, Florida! Creating a user account will give you all the benefits of Quality Boats - Marathon, Florida membership and it will allow you to post comments and submit items as yourself. If you don't have an account, you will only be able to post anonymously. Please note that your email address will never be publicly displayed on this site. User Name: Email: Your password will be sent to the email address you enter. 7196 Overseas Highway (Mile Mark 51) P.O. Box 500843 Marathon, FL 33050 Located Behind Coconut Cay Resort (305) 743-2895 Tollfree (877) 743-2895 Site by Graymerica Staff Login .