We did the hike on an afternoon in Winter from the Little Marley Beach track, it takes about 1.5 hours on the way down and about 2 hours back up, the beach is nice and was fairly calm when we visited, the sand is clean and there are some nice grassy areas too if you prefer that. I will be back.
Smaller crowd
Smaller wave
If you are looking for a quite time at the beach its worth hiking here. It was quite when we passed by twice around mid-day. There were few fisherman on the rocky side of the beach. Imo, because of its shape it looks lot calmer with smaller waves.