Otter Student Union Logo

The Otter Student Union (OSU) at CSU Monterey Bay is a student-centered 501c3 nonprofit organization whose mission is to be the heartbeat of campus and a bridge to surrounding communities, providing spaces, opportunities, and advocacy that cultivate belonging reflective of CSUMB's founding vision.

OSU includes the following:

Upcoming OSU Events

  • September 24
    Sep 24

    Geocaching with UPB

    8:00am to 10:00pm

    Take part in a scavenger hunt around campus! Start by finding images posted around campus with GPS coordinates. Plug them into your mobile device and find mini prizes! For questions email

  • September 28
    Sep 28

    Connections Conference

    2:00pm to 7:00pm

    The Connections Conference is the premier experience for CSUMB student leaders during the fall semester. The first 50 students to register will get a free book from the keynote speaker, Sonya Renee Taylor. Registration is free. Dinner is provided!

  • September 29
    Sep 29

    Battle of Bands: Vamplified Auditions

    1:00pm to 7:00pm

    Auditions for this semester's Battle of the Bands is Saturday, Sept. 29th from 1-7pm at the BBC. Sign up for an audition time at

  • October 1
    Oct 1

    My Culture is not your Costume

    11:00am to 4:00pm

    Join UPB and OC3 by participating in the My Culture is Not Your Costume photo booth in the Library Lobby. October 1st - 5th. Monday and Wednesday 11am-1pm, Tuesday 2-4pm, Thursday 12-2pm, and Friday 11am-1pm.

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