If you're down on Dock St. and happen to notice a float house moored on the left, before the United States Forest Service and United States Coast Guard, that's just Dan and Robyn Cardenas and their two young boys, Roman and Syris.

"It's pretty chill," Robyn says. "We're looking at Piston and Rudder, so we see the boats come in and out that are being worked on, and it's kind of fun because my two-year-old loves it when the float planes land or take off."

It's busy, but it's not too loud. More natural sounds of harbor comings and goings. The loudest thing the family has to contend with is...