| Lunchtime Concert in the Park | 03/10/2022 11:30 AM - 1:30 PM |
| Lunchtime Concert in the Park | 03/17/2022 11:30 AM - 1:30 PM |
| Lunchtime Concert in the Park | 03/24/2022 11:30 AM - 1:30 PM |
| Lunchtime Concert in the Park | 03/31/2022 11:30 AM - 1:30 PM |
| Lunar Eclipse Viewing at the Gilbert Rotary Centennial Observatory | 05/15/2022 7:30 PM - 9:30 PM |
| Lover's Lane - Made with Love Market | - |
| LevelUp Pickleball Camps | - |
| Labor Day | 09/05/2022 |
| Labor Day | 09/04/2023 |
| Kidz Kamp: Nature Unleashed | - |
| Kids FUNctional Fitness | 06/27/2022 11:00 AM - 11:45 AM |
| Kids Canvas Paint Party | 10/11/2023 4:30 PM - 5:30 PM |
| Kapow! Superhero Run | 04/15/2023 8:00 AM - 12:00 PM |
| KAPOW! Superhero Adventure Run | 03/23/2024 8:00 AM - 12:00 PM |
| KAPOW! Superhero Adventure Run | 04/09/2022 8:00 AM - 12:00 PM |
| Junior Ranger Camp | 10/02/2023 |
| Junior Lifeguard Summer Session Registration Opens for Non-Residents | 04/30/2024 10:00 AM |
| Junior Lifeguard Summer Session Registration Opens for Gilbert Residents | 04/30/2024 7:00 AM |
| Junior Lifeguard Summer Session Registration Opens for Foundation Members | 04/29/2024 |
| Jingle Bell Express | 12/08/2023 10:00 AM - 11:30 AM |
