San Onofre SB in California has 21 open booking windows on ReserveCalifornia right now, the soonest Sun Oct 11–Wed Oct 14. Reserve directly through the booking link above — cancellations go fast. To catch future openings the instant they appear, set a free CampSage cancellation alert.
📅 Open dates
Sun Oct 11 – Wed Oct 143 nights🌊 beachbook — pick dates there →👥 8 in a row, S069–S076 next to each othersites San Mateo Camp (sites 101-140) S101, S103, S105, S106, S107, S108, S109, S110, S111, S115, S117, S118, S119, S120, S121, S122, S124, S125, S126, S127, S128, S129, S131, S132, S133, S134, S135, S136, S137, San Mateo Camp (sites 1-67) SM05, SM06, SM07, SM11, SM13, SM15, SM17, SM18, SM21, SM24, SM27, SM29, SM32, SM33, SM34, SM39, SM40, SM46, SM47, SM48, SM61, SM63, SM64, San Mateo Camp (sites 68-100) S069, S070, S071, S072, S073, S074, S075, S076, S079, S080, S081, S082, S083, S084, S087, S091, S092, S094, S095, S097, S099, San Mateo Group Site G-1
Sun Oct 11 – Tue Oct 132 nights🌊 beachbook — pick dates there →👥 SM58 & SM59 next to each othersites San Mateo Camp (sites 101-140) S140, San Mateo Camp (sites 1-67) SM04, SM55, SM58, SM59
Mon Oct 12 – Thu Oct 153 nights🌊 beachbook — pick dates there →👥 S142 & S143 next to each othersites San Mateo Camp (sites 101-140) S113, San Mateo Camp (sites 141-157) S142, S143, S152, San Mateo Camp (sites 1-67) SM12, SM14, SM16, SM35, SM36, SM38, SM41, SM43, SM52, SM53, San Mateo Camp (sites 68-100) S077, S085, S086, S088, S089
Fri Oct 30 – Mon Nov 23 nights🗓 weekend🌊 beachbook — pick dates there →👥 3 in a row, SM15–SM17 next to each othersites San Mateo Camp (sites 101-140) S103, S106, S107, S109, S110, S112, S113, S115, S119, S132, S137, San Mateo Camp (sites 1-67) SM03, SM04, SM07, SM09, SM11, SM13, SM15, SM16, SM17, SM19, SM20, SM28, SM29, SM30, SM32, SM33, SM36, SM39, SM40, SM42, SM44, SM47, SM48, SM49, SM51, SM53, SM55, SM56, SM57, SM59, SM61, SM63, SM66, SM67, San Mateo Camp (sites 68-100) S084
Mon Oct 12 – Wed Oct 142 nights🌊 beachbook — pick dates there →sites San Mateo Camp (sites 1-67) SM42, SM51
Tue Oct 13 – Fri Oct 163 nights🌊 beachbook — pick dates there →sites San Mateo Camp (sites 141-157) S144
Wed Oct 14 – Fri Oct 162 nights🌊 beachbook — pick dates there →sites San Mateo Camp (sites 101-140) S130
Sun Oct 18 – Wed Oct 213 nights🌊 beachbook — pick dates there →👥 SM19 & SM20 next to each othersites San Mateo Camp (sites 101-140) S102, S112, S123, San Mateo Camp (sites 141-157) S141, San Mateo Camp (sites 1-67) SM09, SM19, SM20, SM23, SM31, SM37, SM49, SM56, San Mateo Camp (sites 68-100) S068, S090
🌦️ Weather here
Forecast for this campground's coordinates, from the US National Weather Service. Mountain campgrounds can differ sharply from the nearest town — check before you go.
⚡ EV charging nearby
Nearest DC fast charging: 4.2 mi away (straight line).
Distances are straight-line, not driving — the road can be much longer where a river, a lake or a canyon sits in between. From OpenStreetMap — community-mapped, so plug types can lag reality. Verify on your charging network’s app before counting on a charger.
📊 How often sites open up here
CampSage's scans caught 56 openings at San Onofre SB over the last 30 days, on 30 separate days, most of them for stays 6–24 days out and the openings typically covered 2–3 nights.
These are the openings our own scans saw — not a figure the booking system publishes. We re-check availability several times a day, so the real number can be higher.
🏕️ About this campground
📍 ~61 mi from LA
💡 Insider tips from campers
❓ San Onofre SB FAQ
How do I reserve a campsite at San Onofre SB?
San Onofre SB in California takes campsite reservations through ReserveCalifornia. On this page, use the “Book / check availability” button to open the live booking page, see which dates are free, and reserve your site.
How can I get a spot at San Onofre SB when it's fully booked?
Popular campgrounds like San Onofre SB often fill months ahead, but campers cancel every day and those sites reopen for booking. CampSage checks availability for you and sends a free email the instant a cancellation opens — set an alert on this page and you can grab the spot before anyone else.
How often do campsites open up at San Onofre SB?
CampSage's scans caught 56 openings at San Onofre SB over the last 30 days, on 30 separate days, most of them for stays 6–24 days out and the openings typically covered 2–3 nights. These are the openings our own scans saw — not a figure the booking system publishes. We re-check availability several times a day, so the real number can be higher.
Where is San Onofre SB located?
San Onofre SB is located in Orange County Coast, California. Tap “Directions” above for driving directions, or see nearby campgrounds lower on this page.
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