Preface. Introduction: varieties of carbonate islands and historical perspective (H.L. Vacher). Geology and hydrogeology of Bermuda (H.L. Vacher, M.P. Rowe). Geology of the Bahamas (J.L. Carew, J.E. Mylroie). Geology and hydrogeology of the Florida Keys (R.B. Halley et al.). Geology of coastal islands, northeastern Yucatan Peninsula (W.C. Ward). Geology and hydrogeology of St. Croix, Virgin Islands (I.P. Gill et al.). Geomorphology and hydrogeology of selected islands of French Polynesia: Tikehau (Atoll) and Tahiti (Barrier Reef) (F. Rougerie et al.). Hydrogeology of northern Guam (J.F. Mink, H.L. Vacher). Geology of reef islands of the Great Barrier Reef, Australia (D. Hopley). Hydrogeology of Diego Garcia (C.D. Hunt).