Here are some more artworks from Sculpture by the Sea at Perth’s Cottesloe Beach, all with ocean views through holes. The sculpture above is “Oushi Zokei” by Keizo Ushio (spot the amusing anagram). The one below is “The Window of the Future” by Sang-Sug Kim.
And this one is “Pause” by April Pine.
As you might guess from the shadow, the person in the sculpture above is a surfer. He looks quite different from the side.