Anacortes

Anacortes Fidalgo Bay, Washington WA is where SpaceX do their Carbon Tanks and offshore testing.

Pacific Marine Center 2302 T Ave

SpaceX works on its Interplanetary Transport System (ITS) Liquid Oxegen (LOX) tanks

ITS Carbon LOX test tank at Dock in the Marina

ITS test LOX tank Inside Pacific Marine Center

The ITS tank performed successful pressure tests in 2016 just of the coast of Fidalgo Bay for safety.

LOX tank After the Cryo pressure Test Feb 2017

The Cryo test made progress, the tank failed along a seam joint.