Point Elliot/Mukilteo becamea fishing village, trading post, and a port-of-entry, witn surrounding wooded hills filled with Douglas fir, cedar and hemlock supported a lumber mill and the town also had a cannery, a brewery, and a gunpowder plant near Powder Mill Gulch. Japanese Gulch provides rail access from the Mukilteo waterfront to the Boeing wide-body plant at Paine Field.

In 1901, the Federal Lighthouse Board decided to put a light and fog signal at Mukilteo was completed in 1906. 1947 there was ferry service to Whidbey Island, a fuel storage facility for the Air Force on the waterfront, and a major rail line for the Great Northern Railroad along the city’s entire waterfront. In 1991, the Harbour Pointe area shift the Town's Commercial Center near the shoreline to new shopping and banking facilities at Harbour Pointe. In 1954, the state acquired 17 acres of land around the lighthouse and made it into a state park. In 2003, the state ceded the park to the city and was renamed Mukilteo Lighthouse Park.