Exhibit 99.1 OneSpaWorld Reports Record Third Quarter Fiscal 2025 Results Total Revenues of $258.5 Million, Net Income of$24.3 Million and Adjusted EBITDA of $35.0 Million Increases Fiscal 2025 Annual Total Revenues and Adjusted EBITDA Guidance at Mid-Point of Ranges Board Declares Increased Quarterly Dividend of$0.05 Per Share Nassau, Bahamas, October 29, 2025 - OneSpaWorld Holdings Limited (NASDAQ: OSW) ("OneSpaWorld," or the "Company"), the pre-eminent global provider of health and wellness services an ...