All Macs now come with iWeb, so that's your first stop, if you have the current version of iLife. If not... Nvu is a good , free, open-source choice, even for a novice.
I made mine with Google's Googlepages and it worked fine, but mine was very simple -- j ust a photo, some text, and a bunch of links.
You can download a free demo of RapidWeaver that allows you to make no more than 3 pages, IIRC.