I know of an upcoming in-person retreat based on TWIM (Tranquil Wisdom Insight Meditation) south of San Francisco:
https://www.suttavada.foundation/physical-retreats-suttavada...
The retreat is located here: https://www.suttavada.foundation/venue/stfrancis/
What is TWIM?
https://www.reddit.com/r/streamentry/wiki/twim-crash-course
Here is a book about the practice: https://smile.amazon.com/dp/B06WRPZZQF/