Theres tons of places to ride out there. Depending on where you start Carmel or Monterey, go ride through Pebble beach in the early morning to avoid tour buses and tourists not looking at the road.
This weekend is the Sea Otter Classic and would be an awesome time to go.
Climbing:
https://www.strava.com/activities/527506445
Flat:
https://www.strava.com/activities/410302441
Feeling like a century:
https://www.strava.com/activities/287998359