Welcome to St. Sebastian CYO Basketball!

St. Sebastian CYO in Marin County serves Greenbrae, Kentfield and Ross communities. This program is associated with St. Sebastian Church in Kentfield.

Evaluations will take place in mid-October at Kent Middle School. Practices will begin in November. Games will be held January through March, 2025. 

All games start the first week of January. Each team will have one game per weekend (either Saturday or Sunday).

Have questions? Check out our FAQ page.

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St. Sebastian Catholic Youth Organization (CYO) basketball is the CYO program serving 3rd through 8th-grade children of Kentfield, Greenbrae, and Ross in Marin County, CA.

The Catholic Charities CYO Athletics program has three main objectives:

  • To encourage the social teachings of the Catholic Church promoting human dignity, service to others, and common good in our community.
  • To provide as much participation as possible among all youth involved.
  • To develop the concept of community through team sports.

We are affiliated with St. Sebastian Church, however, players do not have to attend church or be members of the congregation in order to participate in the basketball program.

Registration for 2024-25 season is now open.