Exhibit 99.1 OneSpaWorld Reports First Quarter Fiscal 2025 Results Total Revenues of $219.6 Million, Net Income of$15.3 Million and Adjusted EBITDA of $26.6 Million Reaffirms Fiscal Year 2025 Guidance Introduces Second Quarter 2025 Guidance of$235-$240 Million in Total Revenues and$28-$30 Million in Adjusted EBITDA Board Declares Quarterly Dividend of$0.04 Per Share and Authorizes New $75 Million Share Repurchase Program Nassau, Bahamas, April 30, 2025 – OneSpaWorld Holdings Limited (NASDAQ: OSW) ("OneS ...