Here is a 3-person tree tent designed to take your camping experience to the next level. The Tentsile Safari Stingray Tree Tent has a 3-point anchor system. It has max load capacity of 880lbs. You will just have to find trees that measure at least 16 inches in diameter.
This waterproof tent has a rainfly that can be removed, so you can enjoy the view. It extends outwards from the tent to give you an area to store your camping gear underneath the tent.