Tim, Offshore Express does a trip to the outer reefs which I went on. They can be found thru Blue Hole Diveing. It includes an overnight which was Fun. I've seen several Belize Aggressor trips in my area which were 7-10 days long also. Search the web for Belize Aggressor. Those are liveaboard trips which tend to be all inclusive and can be a blast if you get a good group..or a nightmare if you get a whiney diver or two.
If you want to email me firstname.lastname@example.org and give me the specifics I can organize the whole thing for you. As many days as you want with whatever level of comfort and spending you want. You could spend the nights in resorts or camping.
Hey all, Thanks for the info. I did look into the Agressor and that would be great! But, it leaves on Sunday, and I don't get in until Monday evening. I think I'll survive...I have yet to look into the others. Thanks again!
Check out Barefoot Watersports. They have a great boat that they use to dive the atolls. They usually spend the night at Half Moon Caye....a beautiful island. Hope you can arrange to dive out there. It's incredible.