We are not much into water activities so our personal experience is very limited.
The State Park Marina Lots of information available at the Dewey Short Visitor Center.
Closer to the Branson Cedars cabins is the Cricket Creek Marina. We had a great experience renting a pontoon boat there last summer.
Long Creek Marina This is very close to our Ridgedale cabins. This marina is owned by Bass Pro so I’m sure it offers a great service.
Port of Kimberling City Marina
Indian Creek Marina