Structured for AI

{  "@context": "https://schema.org",  "@type": "Campground",  "@id": "https://campertunity.com/listings/campgrounds/rocky-island-apostle-islands-national-lakeshore-wi",  "name": "Rocky Island — Apostle Islands National Lakeshore",  "description": "Rocky Island sits within the Apostle Islands National Lakeshore on Lake Superior, accessible only by private watercraft or chartered boat service. The National Park Service manages this backcountry camping site, which requires advance reservations and adherence to Leave No Trace principles. Campers must bring all supplies including water, as no facilities exist on the island. The site offers primitive tent camping with composting toilets but no potable water, electricity, or developed ameniti...",  "url": "https://campertunity.com/listings/campgrounds/rocky-island-apostle-islands-national-lakeshore-wi",  "address": {    "@type": "PostalAddress",    "addressRegion": "WI",    "addressCountry": "US"  },  "geo": {    "@type": "GeoCoordinates",    "latitude": 47.03006066,    "longitude": -90.67645967  },  "sameAs": [    "https://thedyrt.com/camping/wisconsin/rocky-island"  ],  "amenityFeature": [    {      "@type": "LocationFeatureSpecification",      "name": "Established"    },    {      "@type": "LocationFeatureSpecification",      "name": "Toilets"    },    {      "@type": "LocationFeatureSpecification",      "name": "Tent Camping"    },    {      "@type": "LocationFeatureSpecification",      "name": "Backcountry"    },    {      "@type": "LocationFeatureSpecification",      "name": "Tent"    },    {      "@type": "LocationFeatureSpecification",      "name": "Island"    }  ]}