A grand opening for Center—an art gallery, office, retail shop and co-workspace behind the Inverness post office—attracted a crowd on Saturday evening. Art shows will alternate every couple of months, pour-over coffee will be served on Sundays and other days will see pop-up thrift shops, knitting circles and social media tutorials with owner Marlee Grace. A Michigan native, Ms. Grace has used Instagram to document artists at a live/work and retail space she ran in Grand Rapids, and to capture moments of her own improvisational dance practice. She recently relocated to West Marin.   David Briggs