True, the IOJ is a little like a rabbit's warren and the displays are spread out, but it's cool, kind of like being on a fantastic voyage. The guides are very helpful (big up, Abebe, Stephanie and Ayana!) and can provide help on navigating through some of the Admin snags. Or you can simply book a tour that takes you there.
1. Buy tickets first at the gift shop. If you are facing the IOJ you will see a set of grand-ish looking stairs. About a third of the way up go to the left and there's the gift shop.
2. It's always useful to book ahead, especially if you'd like a guided tour.
3. Expect lots of school children in September and October. It's the new school year and Heritage Week, the third week in October, seems to all but require teachers to take students out of the classroom. Depending on your temperament, this could be fun too.
To learn more about the Institute of Jamaica visit their page http://www.instituteofjamaica.org.jm/
To hear more about tours going to the Institute of Jamaica email firstname.lastname@example.org