Seabreeze, Sylvan Beach Amusement Park announce 2021 season opening dates Updated May 06, 2021; Facebook Share As coronavirus pandemic restrictions continue to ease with dropping infection rates, more Upstate New York theme parks have announced they will open for the summer season. Seabreeze in Rochester, NY has announced it will reopen on May 22, 2021 and remain open through September. Single day and season tickets will be available to purchase beginning on May 7. They are currently planning reduced hours for the summer, with springtime and fall hours varying. As with many Upstate NY theme parks, advance tickets will also be required for entry. Health checks, masks, and social distancing will also be required.