for soloing options at that level, Valkrum and Jugner forest are good places, both places you can solo up to level 31 or so without to much of an issue.
As far as parties, Khazam is your best bet
here is the quest for the keys
http://ffxi.allakhazam.com/db/quests.html?fquest=215
You will need some help getting the keys, since getting them at your level could prove interesting.