Milky waters of the Blue Lagoon geothermal spa near the south-east coast of Iceland. the astrogeographical latitude lies between dynamic fire sign Sagittarius sign of magma in the north half of the lagoon & solid earth sign Capricorn sign of walls, stability, limitations in the south half. Astrogeo longitude coordinate is in emotional water sign Cancer sign of the moon, motherhood, milk. pregnancy, fertility, springs. FL3.