Nuclear weapons are listed as "Class 4" weapons, and are reserved entity for military use in Coconut Palm Island. Class 4 weapons are the only weapons that civilians absolutely cannot possess. Currently, the Island possesses no functioning nuclear weapons, but it is not opposed in theory to developing them if they become necessary for defense.
Civilians owning Class 4 weapons are subject to strict penalties, usually involving spending time in a rehabilitation center. If a person intended to use the weapon, they can also be charged with terrorism.