| Halloween Festival & Haunted House | 10/23/2021 12:00 PM | |
| Halloween Festival and Haunted House | 10/26/2019 | |
| Halloween Horrors Film Competition Registration Now Open! | - | |
| Halloween Mask Making Festival | 10/19/2024 12:00 PM - 4:00 PM | |
| Harvey West Park Bocce Dedication | 09/28/2017 4:30 PM - 5:30 PM | |
| Haunted House and Halloween Festival | - | |
| History of Sister Cities of Santa Cruz | - | |
| Holiday Glow Guide and Contest | - | |
| Intro to Dryland Stand Up Paddle Clinic with Club Ed Surf School | 07/09/2017 9:30 AM - 10:30 AM | |
| Japanese Cultural Fair | 06/04/2022 11:00 AM - 6:00 PM | |
| Jeff Kinney | 10/27/2023 6:00 PM - 8:00 PM | |
| Joy! | - | |
| July is Parks and Recreation Month! | - | |
| July Is Parks Make Life Better Month | - | |
| July Is! | - | |
| Juneteenth | 06/10/2017 12:00 PM - 5:00 PM | |
| Let the Good Times Roll | 05/04/2024 1:00 PM - 3:00 PM | |
| Let the Good Times Roll: Senior Event | 04/15/2023 3:00 PM - 5:00 PM | |
| London Nelson Open House Week | - | |
| Lyle Lovett and his Acoustic Group | 02/22/2020 8:00 PM - 10:00 PM | |
