Pick a site on the map to see its availability calendar.
191 openings were recorded here, but they arrived across only 3 days — a burst, not a rhythm, so there is no reliable weekly pattern to show. A free Campsite Sniper alert watches around the clock instead, and pings you the moment one opens.
Of the 396 tracked site-nights (Aug 27 – Oct 31, 2026): 137 open for online reservation · 259 reserved.
Of the open site-nights on mapped sites, 119 fall on weekdays and 18 on weekends (Fri–Sun).
October holds the most room. 86 of 186 site-nights are still open there.
| Window | Night | Sites open | Status |
|---|---|---|---|
| Labor Day | SAT Sep 5 | 0 | None open |
| SUN Sep 6 | 0 | None open | |
| MON Sep 7 | 2 | Open |
Labor Day: no site is currently available for the complete three-night stay. Saturday and Sunday have no online availability; individual Monday night remains open.
| Site | Open site-nights |
|---|---|
| 004 | 34 |
| 007 | 34 |
| 003 | 29 |
| 005 | 20 |
| 006 | 12 |
The 5 sites with the most open site-nights in the current snapshot. Pair a bookable date with a free alert to cover everything else.
Campsite Sniper's data for this facility starts Aug 27. That is about 3 days after the current snapshot was taken, so dates before Aug 27 are not covered by what Campsite Sniper tracks here — they are not known to be unavailable. The site-nights shown on this page describe Aug 27 onwards only. Check Recreation.gov for earlier dates.
Multi-night stays. 32 2-night, 25 3-night openings where a single site is free for every night, per Campsite Sniper's current snapshot — soonest Aug 31 at site 007.
| Site | Max RV | Hookups | Open site-nights | Longest run | Dates |
|---|---|---|---|---|---|
| 004 | Not recorded | None | 34 | 5 nights | Aug 27, Sep 1, Sep 2, Sep 3, Sep 7, Sep 13, Sep 14, Sep 15, Sep 20, Sep 21, Sep 22, Sep 23 +22 more |
| 007 | Not recorded | None | 34 | 6 nights | Aug 27, Aug 31, Sep 1, Sep 2, Sep 3, Sep 7, Sep 11, Sep 15, Sep 16, Sep 20, Sep 21, Sep 22 +22 more |
| 003 | Not recorded | None | 29 | 5 nights | Sep 1, Sep 2, Sep 3, Sep 15, Sep 16, Sep 17, Sep 20, Sep 21, Sep 22, Sep 23, Sep 27, Oct 4 +17 more |
| 005 | Not recorded | None | 20 | 4 nights | Sep 2, Sep 3, Sep 15, Sep 22, Sep 30, Oct 1, Oct 4, Oct 7, Oct 12, Oct 13, Oct 14, Oct 15 +8 more |
| 006 | Not recorded | None | 12 | 3 nights | Sep 1, Sep 16, Sep 23, Oct 7, Oct 13, Oct 14, Oct 20, Oct 21, Oct 22, Oct 27, Oct 28, Oct 29 |
| 001 | Not recorded | None | 8 | 2 nights | Sep 1, Sep 2, Sep 30, Oct 12, Oct 14, Oct 15, Oct 22, Oct 26 |
Santa Cruz Island Prisoners Harbor is a campground in California with 6 mapped sites. It is a no-hookup campground. Around 1 site is shaded. Maximum party size is 4. 137 of 396 tracked site-nights remain open in the current snapshot (34.6% available). Campsite Sniper watches the targets you choose and alerts you when one frees up. We never book, hold, or pay for reservations; you book directly on Recreation.gov.





Reservations for Santa Cruz Island Prisoners Harbor are made through Recreation.gov. 137 of 396 tracked site-nights are currently open (34.6%). Campsite Sniper has also detected 191 site openings here in the last 90 days, so further dates may appear. Pick a site on the map to see its calendar, or set a free Campsite Sniper alert. You complete the reservation yourself on Recreation.gov.
No. Campsite Sniper sends alerts and direct Recreation.gov links. It never books, pays for, holds, hoards, or resells reservations.
Campsite Sniper re-checks public Recreation.gov availability for this facility every hour and republishes whenever anything changes. This facility's data last changed at Aug 24, 2026 09:18 UTC; an older timestamp means nothing has changed since that time, not that checking stopped. Always confirm final availability on Recreation.gov when you book.
Campsite Sniper detected 191 site-date openings at Santa Cruz Island Prisoners Harbor in the last 7 days, 191 over 30 days and 191 over the last 90.
25 three-night openings are showing, counting only runs where the SAME site is free for all three nights. The soonest starts Aug 31 at site 007. Confirm and book on Recreation.gov.
October 2026, with 86 open site-nights in the current snapshot of 186.
Campsite Sniper cannot answer that from the current snapshot. The availability data held for Santa Cruz Island Prisoners Harbor begins Aug 27 — about 3 days after this snapshot was taken, so any earlier dates are outside what Campsite Sniper is tracking here rather than known to be unavailable. Check Recreation.gov for dates before Aug 27.
Lakefront, hookups, your RV length, weekends only - set it as picky as you want.
We run paced availability checks for Santa Cruz Island Prisoners Harbor. One watch covers every matching site.
When a match opens, you get a push with a Recreation.gov link so you can review and book it yourself.