St. William Parish

601 Seagate Drive, Naples, Florida

Roman Catholic churches in Naples, Florida

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Location of Worship

601 Seagate Drive Naples Florida 34108-2421 Jump to map

Mass Times

Monday - Friday
8:00 a.m., 12:10 p.m.
Monday - Friday
(During Lent)
7:00 a.m., 8:00 a.m., 12:10 p.m.
8:00 a.m.
2:45 p.m., 4:30 p.m.
7:00, 9:00, 11:00am, 1:00 pm

Holy Days:
8:00 a.m., 12:10 p.m.


Saturday 10:00-11:00 a.m.

Lenten Reconciliation
Friday 5:00 - 7:00 pm
Saturday 9:00 - 11:00 am

Contact Info

Call Pastor: (239) 261-4883 Send Fax: (239) 261-8729

About St. William Parish

  • St. William Parish is a diverse church family. We are a church with a great history, but an even brighter future as we seek to reach out through helping people become disciples of Jesus. We believe that our church is not just a place to go, but a people to join as a community. We welome you to St. William Parish in Naples, Florida in Jesus' name.

    We believe that by complete and perfect obedience to God and by His suffering and His death, Jesus Christ obtained forgiveness of sins and the gift of His righteousness for all who trusted in God prior to the cross and all who trusted in Christ thereafter. Through living a perfect life and dying in our place, the just for the unjust, Christ absorbed and became sin and succumbed to our due punishment thereby satisfying the wrath of God against us.

    About Religious Liberty: God alone is Lord of the conscience, and He has left it free from the doctrines and commandments of men which are contrary to His Word or not contained in it. Church and state should be separate. The state owes to every church protection and full freedom in the pursuit of its spiritual ends. In providing for such freedom no ecclesiastical group or denomination should be favored by the state more than others.

    About The Ministry: A divinely called and scripturally ordained ministry has been provided by our Lord for the fourfold purpose of leading the Church in: Evangelization of the world. Mark 16:15-20 Worship of God. John 4:23,24 Building a body of saints being perfected in the image of His Son. Ephesians 4:11-16, Meeting human need with ministries of love and compassion. Psalms 112:9, Galatians 2:10; 6:10, James 1:27

St. William Parish Photo Gallery


  • Pastor Rev. George Ratzmann, S.T.L., Ph.D.
  • Phone: (239) 261-4883
  • Fax: (239) 261-8729
  • Email:

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