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List of 2023 California Sci-Fi Conventions
| Convention | Dates | Location |
|---|---|---|
| Gallifrey One 2023 | February 17-19, 2023 | Los Angeles Airport Marriott Los Angeles, CA |
| Mystical Minds Spring Gathering 2023 | February 18-19, 2023 | Holiday Inn San Jose - Silicon Valley San Jose, CA |
| Star Trek: The Cruise 2023 | February 24 - March 3, 2023 | Royal Caribbean's Navigator of the Seas Departing from Los Angeles, CA |
| Escapade 2023 | March 3-5, 2023 | Embassy Suites by Hilton Los Angeles International Airport South Los Angeles, CA |
| AlienCon Pasadena 2023 | March 4-5, 2023 | Pasadena Convention Center Pasadena, CA |
| June 9-11, 2023 | Hilton Los Angeles Airport Los Angeles, CA |
|
| June 30 - July 3, 2023 | Clarion Hotel Anaheim Resort Anaheim, CA |
|
| BayCon 2023 | July 1-4, 2023 | Santa Clara Marriott Santa Clara, CA |
| Back to 1885 2023 | September 8-10, 2023 | Columbia State Historic Park Columbia, CA |
| Mystical Minds Fall Gathering 2023 | October 27-28, 2023 | Wyndham Garden Newark/Fremont Silicon Valley Newark, CA |
| ConQuest Sac 2023 | November 17-19, 2023 | Four Points by Sheraton Sacramento International Airport Sacramento, CA |
| Fan Expo San Francisco 2023 | November 24-26, 2023 | Moscone Center San Francisco, CA |
| Loscon 2023 | November 24-26, 2023 | Los Angeles Airport Marriott Los Angeles, CA |
| Convention | Dates | Location |