Scuba certification never technically expires, the card stays valid for life. Most dive operators require a refresher course, or proof of a recent dive, once it's been roughly a year or more since your last dive. That operator recency requirement is the practical "renewal" most divers are actually asking about.
Does scuba certification actually expire?
No. Once you're certified, the card itself never expires. What changes is whether individual dive operators will let you dive without extra steps, most set their own recency requirement, typically somewhere around 12 months since your last logged dive, after which they'll ask for a refresher or proof of recent experience.
What is a scuba refresher course and do you need one?
A refresher is a short pool-based skills review covering mask clearing, regulator recovery, buoyancy control, and the other core skills from your original certification. It typically runs a few hours in a pool, not a full re-certification. You need one if it's been roughly a year or more since your last dive, or if a specific operator requires it regardless of your own timeline.
Can you refresh certification without proof of past dives?
Yes. A refresher course doesn't require a logbook to prove past experience, the instructor evaluates your actual skills in the pool that day. If your paper logbook is lost or you never kept one, the refresher itself becomes your proof of current competence going forward.
FAQ
How long is too long between dives before a refresher is required? Roughly a year is the common threshold most operators use, though some set it shorter. Ask the specific shop you're booking with.
Does every operator enforce recency the same way? No. Some are stricter than others, and a few won't ask at all for divers who can demonstrate confidence and skill on the surface. Confirm before you book if this matters to your plans.
What does a refresher course typically cost? Costs vary by shop and location; confirm current pricing directly rather than assume a flat rate.
Does a digital logbook count as proof of recent diving? Often yes, a maintained digital log with dates and depths is generally accepted as evidence of recency, though individual operators set their own policy.
Keep proof of recency with Diveity
A maintained dive log is the easiest way to answer "when did you last dive" the next time an operator asks. Sign up free and start logging.