A small Lower Cretaceous igneous province on Jamaica has been assigned an Albian or Aptian age on the basis of the fauna of associated sediments. Despite pronounced tropical weathering, it was possible to find three reasonably fresh lava exposures, paleomagnetic investigations of which suggest that during the Lower Cretaceous period the southern polarity geomagnetic pole, as viewed from Jamaica, was situated in the present day northeast Pacific. An interpretation of this result in terms of plate tectonics yields a movement of the Caribbean tectonic plate over a distance of 1000 km to the northeast since Lower Cretaceous. This result is in good agreement with similar deductions made from previously investigated Upper Cretaceous rocks on Jamaica. It suggests also that no appreciable movement of the Caribbean plate or polar wonder had occurred during the Cretaceous age. One of the three lava units reveals an equatorial direction of magnetization also found previously in Upper Cretaceous rocks of the island. This direction could have been caused by a non axial dipole configuration during a reversal of the geomagnetic field. This interpretation is supported by other evidence of a field reversal at the close of Aptian and beginning of Albian.