Diving outpost Saba lies only 30 miles south of St. Martin, so why is it that very few divers have heard of it? The underwater highlights include pinnacles swarming with sharks and colorful ledges where frogfish patiently cast their lures. Check out these images of Saba, and read about what might possibly be the Caribbean's most impactful and educational month-long event in the October issue of Sport Diver magazine.