You may want to have a rate group that is only bookable manually and not visible to your guests online. Below are the steps to do so:

Step 1: Create a discount code in the Setup >> Discount Code section (that doesn’t actually apply any discounts to the rate value). Do not disclose this Discount Code to any of your guests.

Step 2: For manual bookings, create a rate group in the Setup >> Rates section. You can either click on the New Rate Group button to create a new one or Copy from any of your existing rates by clicking on the Copy button in the Rate Group List. Next, set/change the rate value from the Home >> Rates & Restrictions tab.

Step 3: Create a “Package” product for each room type, and associate it to the Rate Group you created in Step 2. Also, associate it with the Discount Code created in Step 1.

Once the above 3 steps are complete, you will be able to book manually by choosing the Package product created in Step 3. (This product/rate is not visible to a web booking as it is associated with a Discount Code.)