rock in the sea, bay of island, north island of new zealand

abrasion bay bayofislands blue cave cavern cliff crag craggy cruise day destinations erosion famous giant green grotto hole huge island islands jagged jut landmark landscape marine most motukokako mountain nature new newzealand north ocean one outdoors protrude reef ripple rock round sea seascape seaside sharp sky spectacular stone tourism travel tunnel vertical view visit water waves year zealand zealands