- Capitan
- Capnoyan Island
- Caponayan
- Cagsaleng Island
- Capyas Island
- Caquisan
- Caran
- Cardany Island
- Carigmalan
- Casian Island
- Casirahan Island
- Castle Island
- Catagupan
- Catalat Island
- Catchi Bungoy Island
- Catep
- Catungatun
- Cauayan Island
- Cauayan Island
- Cauayan Island
- Caverna Island
- Cavili Island
- Cawacawa
- Caxisigan Island
- Cayancan
- Cayangag Island
- Cem
- Central Island
- Central Islet
- Cerical Island