Law 27/2007 enables private ownership of coastal zones through a system called HP-3 (which governs the right to commercialize coastal waters). The idea behind this system is to allow the exploitation of the currently neglected, but potentially profitable, 81,000 thousand kilometers of Indonesian coastline and its 12 mile wide territorial sea. A HP-3 grants ownership to water columns (above the seabed to the water surface) in Indonesian territorial zones. In most cases, the Law stipulates that HP-3s will be granted by local governments. The Law says that the first period of ownership is granted for a period of 20 years but can be extended. As the law does not impose any limitation for extension, it is presumable that HP-3s could be owned perpetually. It is also worth noting that a HP-3 certificate can be used as collateral to secure a loan. We know from theory that in orde...