Winslow Reef, Cook IslandsWinslow Reef is a submerged coral reef of the southern Cook Islands, located northwest of Rarotonga, at. It is a shallow platform reef. No major expeditions to explore Winslow Reef have taken place.LiteratureWorld Atlas of Coral Reefs, by Mark D. Spalding, Corinna Ravilious, Edmund P. Green, University Presses of California, September 2001,,