Hellenic National Oceanographic Data Centre
The National Oceanographic Database comprises physical, chemical and biological parameters in the water column. It stored a mass volume of over 320.000 station data concerning physical, chemical and biological Oceanographic information and is currently hosting data from the POSEIDON system which is a monitoring, forecasting and Information system for the greek seas.
Address: Athinon – Souniou Ave (46.7th km), Anavyssos, Greece.
More information on their website.