Yellow Rock Beach (aka Nelson Bay 3 Beach) is a shore diving and snorkelling site on the western side of Nelson Bay, five kilometres south-west of Portland on Victoria's Discovery Coast.

Nelson Bay is a 4 km wide, south facing, rocky bay lying between Cape Sir William Grant to the east and Cape Nelson to the west. Deep inside the bay are three remnants of a once larger beach. Today the bay consists of 50 to 90 m high cliffs, composed largely of dune calcarenite sitting on top of basalt bases and rock platforms. Behind the beaches, the cliffs rise steeply to heights of 30 to 40 m and are capped with a veneer of dune sand. The dunes were deposited when a larger beach and backing sand ramp occupied the back of the bay, probably about 6 000 years ago.

The beaches are difficult to access. Norman Wade Scenic Drive (off Cape Nelson Road) runs above the western beach (Yellow Rock Beach or Nelson Bay 3 Beach) and there is a car park, walkway, viewing platform and steps down the bluffs to this beach. All three beaches receive waves averaging about 1.5 m, that break over a 200 m wide surf zone. An inner, rip dominated bar is usually detached from the beach, and the outer bar has larger rips. Rocks and reefs also dominate the inner surf. In addition, the narrow, high tide sand beaches are often awash at high tide. These are backed by cobble beaches at the base of the cliffs.

Dive Type: Reef Dive

Imported from The Scuba Doctor