Pullichira Church  
The famous Marian pilgrim centre, Church of Our Lady of Immaculate Conception also known as Pullichira Church is located at a distance of 12kms from Kollam. The shrine, situated in scenic surroundings on the banks of Pullichira lake in Mayyanad Panchayath, is the most ancient diocese of Kollam. The history of the church dates back to 16th century AD. The original church was built by the Portuguese in 1572, and a miraculous statue of our lady was installed at the top of the beautifully carved wooden altar. It is believed that this statue was washed ashore in a box. In 1974, a new church was built here, preserving the altar. The church was declared a Marian pilgrimage shrine in 2004.

The feast of Our Lady of Immaculate Conception church, held every year during the second and third week of December, attracts thousands of devotees irrespective of their faith and religion. This is a 10 day long festival and during the last three days of the feast, the miraculous statue of Mother Mary is brought down from her position above the alter and taken around the church in a procession. Besides this, other feasts celebrated here are St. Sebastian's feast (January), Lourdes Matha feast (February), St. Joseph's feast (March), St. Antony's feast (June), Carmelite Matha feast (September) and Fathima Matha feast (October).

Contact Address
The Church Of Our Lady Of Immaculate Conception,
Pullichira, Kollam, Kerala, India, pin-691304.
Phone : 0474- 2530411

Our Lady Purification Church
Popularly known as Kollam Port Church, the Church of Our lady Purification is believed to be one among the ‘seven and a half’ churches founded by the Apostle St. Thomas. Because of sea erosion, the church was reconstructed thrice. The present church, built in 1993, is located a few distance from the KSRTC bus stand, near to St. Joseph’s high school.

Contact Address :
Our Lady of Purification church,
Port, Kollam – 691 006
Phone : 0474- 2746237

Velankanni Matha Shrine
The Marian Pilgrim Centre, Velankanni Matha Shrine is located in the heart of Kollam at Tuyyam. Built in the year 1986, this shrine is attached to the parish of St. Sebastian alias Tuet Church. Novena and masses are held every Wednesday at this shrine which attracts thousands of devotees.

St. Casimir's Church
One of the important churches in Kollam, St. Casimir’s church alias Kadavur Church is situated at Kadavur, a picturesque village on the banks of the Ashtamudi Lake. Built in 1873, it was renovated several times and the present structure was completed in the year 1993. The annual 14-day long festival of Saint George is held in the month of April .

Contact Address:
St.Casmir's Church, Kadavoor,
Mathilil, Perinad - 691 601
Phone : 0474-2701435

Infant Jesus Shrine, Vadi, St. Joseph Shrine, Perinad, St. Francis Church, Koduvila (Kallada), Amalotbhava Matha Church, St. John Britto Church, Sakthikulangara, St. Sebastian’s Church, Neendakara, St. Thomas C.S.I Church, Pattathanam, St. Thomas Orthodox Cathedral, Sastri Junction are the other important churches in Kollam.

Mosques

Jonakappuram Valiyapalli
The 1400 year old Valiyapalli at Jonakappuram is believed to be the second mosque erected on Indian soil by Malik Ibn Dinar, after the famous Cheraman Juma Masjid in Kodungalloor. As the mosque was destroyed by sea erosion, it has been rebuilt several times and the present structure is said to be constructed on the remnants of the ancient mosque.

Muslim Juma-Ath-Palli
Juma-Ath-palli at Kuruva which is said to be 300 years old, houses the mortal remains of a Sufi saint Syed Abdur Rahman Jifri in its premises.

Karbala Palli  
Serving as the Eid gah for the city’s Muslims, the Karbala Maidan and the adjacent Makani mosque holds importance in the history of Kollam. It has been known as Karbala, ever since a Muslim Jamindar, the leader of 80 other Muslims in the army, was sent to the gallows after a rebellion alleging religious persecution in the British army. His martyrdom was compared to that of Imam Husayn at Karbala in Iraq.

The soldier’s mosque known as Pattala Palli in Malayalam jargon was built in 1898 for the Muslim soldiers stationed in the city.

Juma-Ath-Palli, Kolluvila, Juma-Ath-Masjid, Thattamala, Kalamala Palli, Muthirapparambu Palli, Siyavathummodu Palli situated at Kililolloor are the other important Mosques in Kollam.