- Cathedral Island
- Channel Rock
- Chiniak
- Chiniak Island
- Chirikof Island
- Chowiet Island
- Cliff Island
- Clover Rock
- Crooked Island
- Cub Island
- Chakaktolik
- Chulloonawick
- Circle Island
- Central Island
- Chankliut Island
- Chiachi Islands
- Chignik Island
- Chistiakof Island
- Cinder River
- Cupcake Island
- Challenge Island
- Cooper Island
- Cottle Island
- Crescent Island
- Cross Island
- Cam Island
- Camp Island
- Castle Islands
- Cedar Island
- Channel Island