"An unusual marine site where volcanic springs send bubbles streaming through the water column, offering a distinctive snorkeling or diving spectacle frequently recommended as a must-see natural feature." - Maggie Shipstead Maggie Shipstead Maggie Shipstead is a New York Times best-selling and prize-winning novelist, essayist, and travel writer. She has covered destinations and topics ranging from cities to wilderness, tropics to polar regions, and luxury hotels to tents. Travel + Leisure Editorial Guidelines