For reservations, availability, sales, catering, and general info, call 1-877-262-7848, or click the button to the left to start an online reservation. Please note our online booking system may not reflect all of our availability. If you do not see your preferred accommodation, please call reservations at 1-877-262-7848.
If you are coming to Costanoa with a group or wedding who have reserved a block of rooms, please contact our Group Reservations department, open Monday through Friday from 9am to 5pm by calling 650-879-7307. Also ask about our Corporate Discount for business travel, groups, and retreats.
Costanoa stands behind our BEST RATE GUARANTEE! Meaning, if you find one of our accommodations for a lower rate on another site, we will gladly match it.
- All reservations must be guaranteed with a credit card.
- An advanced deposit of the first night's room and tax is required. Your credit card will be charged at the time the reservation is made.
- All reservations must be canceled 72 hours prior to the arrival date for a refund. A $10.00 processing fee will be charged for all canceled reservations.
- Any "no shows" will be charged for one night's rate.
- An early departure fee equal to 50% of your nightly rate will be charged for any departures ahead of your confirmed reservation.
- Guests under 12 are an additional $15, and guests 12 and up are an additional $30.
- No rollaways are available for any room or tent bungalow accommodation.
- Check-in begins at 4pm. Campground check in time is 1pm.
- Checkout is at 12 noon.
- Late checkouts between 12 noon and 3pm will be charged a half-day rate. After 6pm a full day rate will apply.
- Quiet time at Costanoa begins at 10pm each night and ends at 9am the following day.
- No pets are allowed at Costanoa with the exception of the RV area. This is strictly enforced.
- Open campfires are not permitted at any site.
- Costanoa is a non-smoking facility.
- Please limit your cars to one car per campsite.