O.A.T. Expands Solo Travel Leadership with Over 50,000 Single Spaces and Memorial Day Savings

Travel solo without the surcharge—and save across all 2025 and 2026 departures BOSTON, May 22, 2025 /PRNewswire/ — Overseas Adventure Travel (O.A.T.), the leader in solo-friendly group travel for Americans aged 50 and older, announced the availability of 51,000 single spaces across its…