Planning for Belize honeymoon!

Looking for tips from anyone who has traveled to Belize. Neither my fiance or I are big on beach lounging with cocktails, but I'd like to do it at least a little during our honeymoon. We mostly want adventure, so I figured Belize is a good place to go for this. We aren't much into luxury, so we aren't worried about fancy hotels or anything like that.
That said, we have 2 years to plan and I'd like to plan as much as possible as soon as possible so we can save up for it.
We are wanting to stay at least a week, but would 2 weeks be too much? Where is the best area in Belize to stay to experience a variety of things? We want to snorkel as well as do a tour of the jungles, rivers and temples they have. I don't want to do a ton of commuting every day to each activity we want, so would it be best to find lodging in one area for a few days then travel to a different area for a few days?