Traffic 30 174 623 tonnes Website http://www.portseattle.org Good practices Good practice This section is restricted to members only.To visualize it,log in. Seattle (USA): Balancing between port activities and city needs with limited environmental impact In December 2017, the Port of Seattle purchased Salmon Bay Marina, a two-hectare site along […] Good practicesContactThis section is restricted to members only.To visualize it,log in.