Subtitle 6A Natural Resources
- Chapter 250. Puerto Rico Wetlands (§§ 5001 — 5005)
- Chapter 251. Seven Seas Estate Natural Reserve Act (§§ 5006 — 5010)
- Chapter 252. Declarations (§§ 5011 — 5031)
- Chapter 254. Interagency Group for the Conservation and Development of the Cueva del Indio Natural Reserve (§§ 5057 — 5059)
- Chapter 255. Tres Palmas de Rincón Marine Reserve (§§ 5060 — 5065)
- Chapter 256. Punta del Viento Wetland Natural Reserve (§§ 5071 — 5076)
- Chapter 257. Indio River Natural Reserve (§§ 5081 — 5085)
- Chapter 258. Natural Reserve of Las Cabachuelas (§§ 5091 — 5098)
- Chapter 259. Great Northeast Ecological Corridor Nature Reserve Act (§§ 5101 — 5109)
- Chapter 260. Isla Verde Reef Marine Reserve Act (§§ 5111 — 5116)