This is the report of the 3rd Regional Grouper Hatchery Production Training Course, which was conducted at the Brackishwater Aquaculture Development Center, Situbondo, East Java, Indonesia from April 18-May 8, 2005. There were a total of 17 participants coming from Australia, Brunei Darussalam, Indonesia, Malaysia, Maldives, Marshall Islands, Singapore, and Vietnam. The training consisted of a mixture of theory, practical and field trips for the participants.