Here is a link to all of the LA area dive boats: http://www.californiadiveboats.com/ I would suggest checking their website calendars and/or calling them direct. The boats I see most often hitting the Rigs are the Sundiver Express, Sea Bass and the Pacific Star. Generally the small boats only go to them because they are live drop sites. Can’t anchor in 750’ of water. If none of them are going you might also consider joining our big Divebuddy.com group on our Catalina trip March 10th. We plan to hit Ship Rock plus two other sites. But I must admit the Rigs are a very cool dive and I hope you have the opportunity while here. Let me know if I can help further.