Hey D,Try checking out the Dept.Fish&Game for In season/Out of season,Licenses,etc.,Point Reyes/Bodega Bay have Abundant Abalone but,I know there is a Certain time of year,One is Allowed to harvest,& Size is also a factor.Mussels/Clams are also Abundant,& Can be taken in any Non-R Month,May,June July,August.You can take Mussels for bait,but Not Clams,Anytime of year.Sea urchins are Delicious,& There are Gazillions of them,they have to be 3" or larger,Not counting the Spines,Also the Spines are Poison,Be careful,They hurt like the Dickens!Many areas Up there are Otter/Osprey/Kite Habitats,So Beware,Heavy Fines/Jail time is Not Un heard of for Violators!That water is Freezing Cold,24/7-365!A Full Wetsuit is recommended,including Gloves/Booties,Mask,Fins,Snorkel,Dive Knife/Spear-Great Whites are Well Known there,Don't Go it Alone!If you are sailing up that way,There is Xlnt Fishing there!