look at the thread condos 4 sale. These 5 were made in about 2 hrs. of course they can be made at any heigth for any depth. Other items we have used for structure along the banks are the willows that grow around there. i cut and pushed them out into the water. They can take over your banks and are really aggressive. Just make sure you treat the stump with a strong herbicide to kill the tree. If you don't have any access to shoreline trees, around christmas you get the word out to your buddies to collect their trees after they take them down for the season. Get some blocks and sink them dudes. We have also cut cedars down on the back forty and sunk them. Basically anything will work as long as you have access to it. Check out other material people use in other threads in this forum. As far as placement the smaller cedars, willows, and condos were placed along shoreline up to 6 ft of water for spring time, the larger trees and condos were put in the deepest water at about 16 ft for summer/winter. Hope this helps ya ky