abstract aqua background blue changing clear coastline color colors colour colours currents deep dips distance distant ebb-and-flow expanse Indian-ocean light movement near ocean powerful pull ripples rippling salt-water scene sea seaside shallow shallows sunlight sunshine surface surfaces texture textures tide vast vibrancy vibrant view views water wavelets waves Western-Australia at anchor Australia bay boat boats business district CBD choppy conditions city city scapes city views expanse of water harbor harbour high rise Jetty masts Melbourne navigation office buildings Port Phillip Bay sailing sailors ships sight-seeing skyline tied up tourism transportation travel Victoria wealth Williamstown yachts after-deck Asia cabin cables capstan-drums Catamaran clouds deck equipment Haze hazy Hong-Kong lines marina maritime metal moored motor-boats mountains nautical outdoors recreation rigging ropes safety-equipment sailboat secure tethered tied-up vegetation vessels watercraft wires wood yacht club boat-pens buildings moorings mountainous outdoor-sports pastime penned pens popular sails security sport success trimaran backgound calm nature transport alone animal artwork ball beach brown bubbler crabs build burrow coast construction crab crab markings Crustacean design grain hidden hiding hole home imagination industrious marine pattern play round sand sand balls Sand bubbler crabs sand bubblers sand marbles sandy shell shell fragments shells small sphere spheres spotted tiny tropical wildlife anchorage anchored at-anchor dark dark-skies dark-water expanse-of-water mast outdoor outside sail sail-boats stormy stormy-skies weather winter wintry boat pens catamarans Hong Kong motor boats outdoor sports