meadownymph:Located in between Queens and the Bronx, in 1885 the island was used to build a hospital
meadownymph:Located in between Queens and the Bronx, in 1885 the island was used to build a hospital complex to quarantine and treat people suffering from smallpox and typhoid fever. In the 1950’s it was turned into a rehab center. The entire island has been abandoned since 1963. -- source link