SFDS, has been successfully meeting and exceeding customers expectations in south Florida since 1985, completing tough projects and often producing exciting innovations in the same project. SFDS will smoothly see your marine project through from start to finish: No metter the project (seawalls, docks, piers, boat lifts, pilings or marinas) SFDS stands ready to coordinate all of the ancillary jobs necessary to complete your project, such as plumbing, electricity and parking. SFDS also maintains docks, seawalls and boat lifts, to maximize their useful life while saving you money.