Tech only trip 150' min certification required.  2 days of diving and 2 nights aboard the Bottom Scratcher liveaboard boat with excellent food and comradery, most importantly the deep diving on historic wrecks on the ocean floor in the waters off the Catalina Island coast.  Also the possibility of deep dives on the oil rigs off the coast and seeing wildlife changes at deep and variety along the oil rig structures. 750.00 per diver