0001295810 us-gaap:SeriesHPreferredStockMember 2026-06-01 2026-06-01 0001295810 us-gaap:CommonStockMember 2026-06-01 2026-06-01 0001295810 sho:SeriesIPreferredStockMember 2026-06-01 2026-06-01 0001295810 2026-06-01 2026-06-01 0001295810 false 8-K 2026-06-01 Sunstone Hotel Investors, Inc. MD 001-32319 20-1296886 15 Enterprise, Suite 200 Aliso Viejo CA 92656 949 330-4000 false false false false Common Stock, $0.01 par value SHO NYSE Series H Cumulative Redeemable Preferred Stock, $0.01 par value SHO.PRH NYSE Series I Cumulative Redeemable Preferred Stock, $0.01 par value SHO.PRI NYSE false