It addresses all sea-related themes: fishing of course, aquaculture and the fishing fleet, but also scientific information (bathymetry, i.e. measurement of the depth of oceans, hydrography, etc.), environmental data (protected areas, coastal erosion, etc.) and demographic and economic information (transport, employment, etc.).
Pléann sé na téamaí sin ar fad a bhaineann leis an bhfarraige: an t-iascach ar ndóigh, an dobharshaothrú agus staid na loingeas, agus freisin faisnéis eolaíoch (an bhataiméadracht, is é sin le rá tomhas doimhneacht na n-aigéan, an hidriméadracht, srl.), sonraí timpeallachta (limistéir chosanta, creimeadh na gcóstaí, srl.).