Samuel N. & Mary Castle Foundation

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Committed to improving the lives of Hawaii's children and families by improving early education.

Seven Requests for Proposals are available in 2025.

President Robert Peters writes about the Foundation's standing and progress.

Learn about our priorities, what we look for in an application, and what we do not fund.

View grants made by the Samuel N. & Mary Castle Foundation over the last three years.

Next application due date is January 6, 2025 for a February, 2025 trustee meeting.

| 733 Bishop Street, Suite 1275, Honolulu, HI 96813 | (808) 522-1101 | snandmarycastle@hawaii.rr.com