• The Sausalito Community Boating Center celebrates its grand opening from 11 a.m. to 2 p.m. today at Cass Gidley Marina at 1620 Bridgeway in Sausalito. The ribbon cutting is at 1 this afternoon. Admission is free. Go to sausalitocommunityboating.org.

• Margery Kreitman performs her one-woman show “The Fall/Out” at 2 this afternoon at O’Hanlon Center for the Arts at 616 Throckmorton Ave. in Mill Valley. Admission is $20. To buy tickets, visit ohanloncenter.org.

• The San Francisco Opera puts a spin on Giacomo Puccini’s “La Bohème” at 2 this afternoon in the lot by Sausalito Center for the Arts at 750 Bridgeway in Sausalito. Admission is free. Go to sfopera.com.

• The Novato Music Association Chorus’ “Vegas Nights” is at 3 this afternoon at the Margaret Todd Senior Center at 1560 Hill Road in Novato. Admission is $5 to $25. To buy tickets, visit novatomusicassociationchorus.org.

• The Mark Hummel Band plays at 3 this afternoon at Smiley’s Saloon at 41 Wharf Road in Bolinas. Admission is $17.85 in advance and $20 at the door. To buy tickets, visit smileyssaloon.com.

• The Dominican Chorale performs at 4 this afternoon at the First Presbyterian San Anselmo at 72 Kensington Road in San Anselmo. Admission is $15 to $20 and free for those under 18 years old and Dominican students, faculty and staff. To buy tickets, visit dominican.edu/boxoffice.