S&P Global Ratings affirmed its 'BBB' long-term rating on California Statewide Communities Development Authority 's series 2018A tax-exempt revenue bonds and series 2018B taxable revenue bonds, issued for Marin General Hospital (MGH or the hospital). At the same time, S&P Global Ratings affirmed its 'BBB' long-term rating on MGH's series 2023 taxable revenue bonds. In addition, we affirmed our 'BBB' underlying rating on insured portions of the series 2023 bonds. The outlook is stable. The series 2018 and series 2023 revenue bonds (rated by S&P Global Ratings) are secured by gross revenues of MGH. Our rating is based on our view of the financial profile of both MGH and its parent organization, the Marin Healthcare District (MHD, or the district),