Floating dock (jetty)
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A floating dock, floating pier or floating jetty is a platform or ramp supported by pontoons. It is usually joined to the shore with a gangway. The pier is usually held in place by vertical poles referred to as pilings, which are embedded in the seafloor or by anchored cables.
Floating dock at Mohonk Mountain House
floating dock at Florence Marina State Park
A floating dock at a private marina.