anchorage anchored at anchor background bay boat boat pens boats catamarans expanse of water harbor harbour Hong Kong masts moored moorings motor boats navigation outdoor outdoor sports outdoors outside pastime penned pens popular recreation sailing sailors sails sea security ships sight-seeing sport success tied up tourism transportation travel trimaran views water waves wealth yacht club yachts advice alert appropriate-behavior appropriate-behaviour behavior behaviour caution communication dangers fast freestyle freestyling fun information informing jet-ski jet-skiing limitations limited manoeuvrability mobility movement power-sport restricted restrictions risk risky river riverside safety sign signs speed transport warning warning-sign watch watch-out water-sports waterways wave-runners at-anchor boat-pens dark dark-skies dark-water distance distant expanse-of-water marina mast outdoor-sports sail sail-boats skyline stormy stormy-skies tied-up weather winter wintry motor-boats Australia dark skies dark water Jetty sail boats stormy skies action active activity adult buoys care couple culture dinghy enjoy man motion motor boat motoring people power power sport quick rubber dinghy skill spray summer tourists trail turn water sports woman CBD city city center city centre city skyline cityscape Perth balance dare driver entertainment extreme handling hire jet ski jet skiing male personal watercraft rental stand-up personal watercraft wild beach coast coastline color colored colors colour coloured colours expanse footprints growing growth industrial activity industrial area layers levels low tide mangroves natural ocean outcrop pebbles plants pollution prints receding receding tide relaxing rock formations rocks rocky rough sand sandy seashore seaside shade shadows shapes shore shoreline Sizes stones stony strolling sunlight sunshine tidal tides variety waders wading waterline