I've held my first workshop in my new studio. If you are interested in painting but don't know where to start, let me know...we'll work something out that is convenient, won't break the bank and non-threatening to your self-esteem...
Mark Brown teaches a Saturday morning extension course through the UH. It is very reasonable and he is a great teacher. Contact email@example.com for details. He has recently added a plein air class on Tuesday mornings.
Patrice Federspiel has wonderful workshops regularly for watercolorists. Go to her website to see the schedule.
Honolulu Museum of Art has great workshops...check their website.