2—St. Peter the Apostle Parish (F-1886)
     Lamitan, 7302 Basilan Province

Population: 54,185; Catholics: 27,000
Titular: St. Peter the Apostle
Parish Priest: Fr. Valeriano Cabalog, Jr.
Parochial Vicar: Fr. Tomas Lim

3—St. Anthony Parish (F-1956)
     Sta. Clara, (Lamitan Mun.) 7302 Basilan Province

Population: 14,500; Catholics: 8,000
Titular: St. Anthony of Padua
Parish Priest: Fr. Cirilo Nacorda

4—Immaculate Heart of Mary Parish (F-1962)
     Maluso, 7303 Basilan Province

Population: 30,000; Catholics: 2,200
Titular: Immaculate Heart of Mary
Parish Priest: Fr. Leo Dalmao, CMF
Parochial Vicar: Fr. Eduardo Apongan, CMF

5—St. Vincent Ferrer Parish (F-1969)
     Tumahubong, Sumisip, 7304 Basilan Province

Population: 48,000; Catholics: 3,000
Titular: San Vicente Ferrer
Parish Priest: Fr. Paulino Manila, CMF

6—Holy Rosary Parish (F-1984)
     Begang, Isabela, 7300 Basilan Province

Population: 6,000; Catholics: 4,500
Titular: Our Lady of the Holy Rosary
Parish Priest: Fr. Rodel Angeles

7—St. Vincent Ferrer Parish (F-1987)
     Matarling, Lantawan, 7301 Basilan Province

Titular: San Vicente Ferrer
Parish Priest: Fr. Juan Quiño, Jr.

8—Sagrado Corazon de Jesus Parish (F-1995)
     Look, Lamitan, 7302 Basilan Province

Population (not available)
Titular: Sagrado Corazon de Jesus
Parish Priest: Fr. Rolando Marikit, OFM
Parochial Vicar: Fr. Andrew Litigio, OFM