Mullaghroe is an exposed shore with a sandy subsrate which comprises part of the Mullet/Blacksod Bay complex. This complex contains a composite of diverse habitat types, predominately coastal. The site includes considerable stretches of dune systems along the western coast of the Mullet peninsula, behind which are extensive areas of machair of considerable botanical importance.
Salt marshes are present in sheltered inlets and provide feeding and breeding grounds for the bird population. Sand dunes are located to the east and cliffs have formed to the west of the shore. The beach is located 6 miles from Belmullet town.
This beach is not lifeguarded but lifesaving equipment is provided.