Ocean Reef Road commences at the intersection of the southern and eastern legs of
Gnangara Road and Sydney Road in
Landsdale, with Ocean Reef Road continuous with the eastern leg of Gnangara Road, and terminates at the roundabout with
Shenton Avenue in
Ocean Reef, continuing northwards as
Burns Beach Road. The road is a four-lane dual carriageway for almost its entire length, with the exception of the northwards parts running parallel with the coast, where the road is a two-lane single carriageway between Swanson Way and
Hodges Drive, though it widens to a two-lane divided carriageway for the remainder of its length. It predominantly carries an speed limit, which reduces to at Trappers Drive, and then to from Hodges Drives to its northwestern terminus. The section of the road east of Marmion Avenue forms part of
State Route 84, along with the eastern section of
Gnangara Road. The section west of Marmion Avenue lost the designation in December 2023.
City of Wanneroo Ocean Reef Road commences at a traffic light intersection with the southern and eastern legs of Gnangara Road and Sydney Road. Ocean Reef Road is continuous with the eastern leg of Gnangara Road, while Sydney Road is continuous with the southern leg of Gnangara Road, which also leads to
Mirrabooka Avenue. The road travels west for to an interchange with Wanneroo Road, during which it borders the suburbs of
Wangara,
Gnangara, and
Pearsall, and intersects with Hartman Drive and Lenore Road at a traffic light controlled intersection. At Ocean Reef Road’s interchange with Wanneroo Road, Wanneroo Road is free-flowing over traffic light controlled intersections at Ocean Reef Road. Ocean Reef Road then travels through the suburbs of
Woodvale and
Wanneroo, as well as the
Yellagonga Regional Park reserve for up until the southern part
Lake Joondalup, where the road transfers into the
City of Joondalup local government area.
City of Joondalup Ocean Reef Road, now within the City of Joondalup, continues to border Woodvale to the south but now borders
Edgewater to the north. The road intersects with Trappers Drive and Edgewater Drive (the former of which is signalised), encountering a traffic light controlled T-junction with
Joondalup Drive from the City of Joondalup and Wanneroo boundaries. Only another later takes the road to the
Mitchell Freeway at a standard diamond interchange. Following the freeway interchange, Ocean Reef Road is now bordering both
Beldon and
Heathridge, intersecting with local roads such as Eddystone Drive and Craigie Drive, bringing the road to Marmion Avenue after . The road then runs through
Mullaloo and Ocean Reef for before encountering a roundabout with Northshore Drive, at the northern terminus of Tourist Drive 204. Following this, Ocean Reef Road curves northwards and, now within the suburb of Ocean Reef, also starts to run parallel with the coastline. After the road promptly reduces to a two-lane single carriageway at Swanson Way, though the carriageways separate at Hodges Drive another later. Between the two roads there is an entrance to the Ocean Reef Boat Harbour. The road continues to run parallel to the coastline as a two-lane divided carriageway through Ocean Reef for about before terminating at Shelton Avenue at Iluka. Ocean Reef Road continues northwards as Burns Beach Road and State Route 87 from this point. ==Major intersections==