Glad you're thinking of moving to Alameda. It's a lovely island, and you'll really enjoy it here.
Our sister company, Gallagher and Lindsey Property Management has a lot of listings for rent --- and they get them all the time. So keep checking our website at www.GLRealtor.com/rentals/ to see what's available, or call our rental consultants at 510 522 3322.
In the meantime, if you want an overview of what to expect in Alameda, see http://www.alamedahomefinders.com/About_Alameda/page_95171.html
Take care and good luck!