There is still no major inventory of the flora within the protected area, but the most outstanding ones have been identified, such as:
- Nanche tree
also called Craboo
- Guarumo tree
known as Trumpet Tree by most Islanders
- Caribbean Pine
- Guava tree
- Spanish elm
- Gumbolimbo tree
The percentage distribution of the plant associations corresponding to the pine forest is: 48.5%, The dominant broadleaf mixed forest of oak is: 5.8%, The Corozo dominant broadleaf mixed forest is: 2.1%, The bush (Shrubs with regeneration of broadleaf) is: 29%, and pastures with grasses is: 14.6% Many species of flora are threatened due to the disappearance of primary forests, and even when a forest cover is maintained, this forest is considered Secondary.
The main sources of water within the protected area are Cooper Hill and Picacho Hill that supply the communities of Oak Ridge, Calabash Bight, Diamond Rock, Port Royal and the village of Camp Bay.
The archipelago of the Bay Islands locates the path of the eastern trade winds and the trajectory of the cold fronts during the Northern Hemisphere Winter. Tropical waves also travel through the Gulf of Honduras crossing the island department from East to West between the months of May and October.
Regarding temperatures, the data reflect little variation in ambient temperature between 1998 and 2007, changing between 25.5 C and 29.7 C during that time according to studies.
The important communities of Diamond Rock, Camp Bay, Oak Ridge Bight, New Port Royal and Old Port Royal they are a short distance away. The population of the north shore communities are made up of a majority black-English population, and the first Garifuna village as Punta Gorda, includes other communities like Diamond Rock, Alligator Nose and Camp Bay village. Education centers are located in Diamond Rock, Camp Bay, Oak Ridge, Jonesville and the Bight.
The Port Royal Park and Wildlife Refuge (PRPWR) is the only terrestrial protected area on the island of Roatán. It was declared on October 16, 1978 by the Municipality of Santos Guardiola.