YMCA Camp Marston (YMCA of San Diego County) is the county's flagship overnight (resident) camp, set on more than 200 acres of mountain terrain near Lake Jessop in Julian and billed as the oldest organized youth camp in the region. It serves children and teens ages 7 to 17, grouped into age-based villages, with activities including a climbing tower, canoeing, arts and crafts, and trail exploration. Week-long sessions include room and board.
Sessions & rates
| Session | Dates | Ages | Price | Status |
|---|---|---|---|---|
| Marston L.I.T. (two-week, entering grades 10-12) - Session ARegister → | Jun 6 – Jun 18, 2027 | 15–17 | $1800 | Open |
| Session 1 (Explorers / Challengers / Pathfinders)Register → | Jun 6 – Jun 11, 2027 | 7–15 | $1200 | Open |
| Session 2 (Explorers / Challengers / Pathfinders / Adventurers)Register → | Jun 13 – Jun 18, 2027 | 7–15 | $1200 | Open |
L.I.T.s - Members $1,620 / Non-Members $1,800.
Two-week leadership program. $300 non-refundable deposit per camp week; balance due May 17, 2027.
Explorers, Challengers, Pathfinders & Adventurers - Members $1,080 / Non-Members $1,200. L.I.T.s - Members $1,620 / Non-Members $1,800. O.W.L.S - Members $1,530 / Non-Members $1,700. Transportation: Mountain Bus $50.
$300 non-refundable deposit per camp week; balance due May 17, 2027. Adventurers and O.W.L.'s not offered this session.
$300 non-refundable deposit per camp week; balance due May 17, 2027.
$300 non-refundable deposit per camp week; balance due May 17, 2027. O.W.L.'s (entering grades 9-11) offered.
Availability shown as of Aug 7, 2026.
The practical details
We list only what the camp itself publishes, and programs change — dates, prices, ages and availability can all move after we check. Confirm the details on the camp’s own website and contact YMCA of San Diego County directly before you register or pay. Last checked August 2026.
