Wow... I had no idea NAUI snobs were so "forward".
PADI Master Driver Card:
1. Open Water (270+pg manual, class sessions, pool work, 4 cert dives). Req? 10 yrs old, 200yd swim, 10min treading water
2. Advanced Open Water (text book, class sessions, 6 cert dives). Req? 15 yr old, Open Water.
3. Rescue Diver (text, class sessions, 5 dives). Req? 15 yrs, Advanced Open Water, CPR&First Aid cert.
4. 5 additional Specialty courses... likely Nitrox cert, Emergency Oxygen Provider, Dry suit, Deep Diver, Wreck Diving... but there are about 16 to choose from.
5. 50 dives total.
6. Fee to verify certs and issue card.
PADI Divemaster requires all the above plus the Divemaster course, text, cert dives, and 60 total dives. PADI considers Divemaster a Professional Level course... not a Diver Level.
NAUI Master Diver Card:
1. Open Water (text, pool sessions, 5? cert dives). Req? 10 yr old, good health.
2. Advanced Open Water (text, sessions, 6 dives) Req? 12 yr old, Open Water.
3. Master Diver course (text, sessions, 8 dives) Req? 12 yrs old, Advanced Open Water.
NAUI Divemaster
NAUI requires all the above plus the Divemaster course, text, cert dives, and 60 total dives. NAUI considers Divemaster a Professional Level course... not a Diver Level. hmmm....
It seems pretty clear that gauging by the naui.org and padi.com that the quick route to someone with book smarts is to go Naui. No 50 dive minimum, no 15 yr minimum, no CPR/FirstAid req.
Why do NAUI guys seem so defensive about their Master Diver cert? hmmm...
Given that PADI is far and away the largest cert agency in the world -- something like 70% of all new divers get PADI Open Water -- how can this be such a large debate?