Its really hard to do multiple back to back 60ft plus dives at Catalina nevermind 5 in a row. Most of the interesting things for many sites are shallow and you end up spending a significant amount of time above 50ft. You can pretty easily do 2-3-5 on top of that. If this were a "non-DIR" charter, by dive 3 or 4 most of the divers would have so much "residual nitrogen" that they couldn't dive. Operators understand this and don't drop you repeatably onto 100ft sites. If you hit 100ft more than twice I would be surprised.