- en.wikipedia.org Red Rock Islandin June 2007, Glickman, at the time a gem dealer in Thailand, announced that Red Rock Island was for sale for US$10 million;[12].
- Once-in-a-lifetime opportunity to own Red Rock Island, an exclusive and breathtaking private oasis nestled in the San Francisco Bay.
- sfgate.com local/article/history-and-future-of-…Riehl’s mining ambitions never materialized, and in 1948 his widow sold the island to a man named Alex Wilson. Hotel dreaming on Red Rock Island.
- boatingsf.com red-rock-island/Red Rock Island is the only privately owned island in San Francisco Bay. And it was once for sale for the low sum of only $5 million.
- seakayaker.tripod.com redrock.htmDid pirates bury their gold on Red Rock? On old charts the island was called Treasure Rock and Golden Rock because of such tales.
- themenatech.com red-rock-island.htmlred rock island california Welcome, esteemed readers and dedicated visitors! It's time to immerse once again into the ever-changing world of news.
- nytimes.com 2023/12/24/us/san-francisco-bay-red-…An overhead view of Red Rock Island, with some green and a couple trees on top and steep rock walls down to the water.
- worldanvil.com w/yonderverse/a/red-rock-island-…On the shores of this island is a large stretch of beach around the entire island, made of small burning red rocks, where the island gets its name.
- holidify.com places/san-francisco/red-rock-island…As the name Red Rock Island implies, this island features Red Rock, which is oxidized manganese and the Franciscan Schist.
- discoverythailand.com red-rock-shark-islandRed Rock (Shark Island). Report.