Independent Coffee Shop
Onn Coffee
2706 Harbor Boulevard, Costa Mesa, CA 92626
What it’s known for
A locally owned neighborhood coffee shop.
Coffee styles
- Espresso drinks
- Drip coffee
Based on the café’s type and listing details. Check the menu for exact drinks.
Why go
Support a local, independent coffee shop in Costa Mesa.
Map
Cafés nearby
- Better Buzz Coffee2 min walk
- The Caffeine Club6 min walk
- Starbucks – Orange Coast College Arts Pavi10 min walk
- If You Know You Know11 min walk
- Ali's Bagel & Coffee14 min walk
- Starbucks – Harbor & Baker18 min walk
Walking times are estimates at an easy pace (about 3 mph) along streets.
Listing from OpenStreetMap, checked October 2026. Own this café or spotted a mistake? Send a correction.