sylvestermanor
sylvestermanor.org
About
Sylvester Manor, located on Shelter Island, encompasses 236 acres and is recognized as the most intact remnant of a former slaveholding plantation north of Virginia. The site has historical significance as it was home for millennia to the indigenous Manhansett People.
PWA Quality
Mobile optimization
45
Install experience
15
Offline support
0
User experience
30
Overall score
23
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App Info
- CategoryBusiness
- Developersylvestermanor.org
- AddedJune 30, 2026
- PWA SupportNot Supported
