The name Marine is a girl's name of French, Latin origin meaning "from the sea". Marine and is often added to lists like Unique Baby Names: Unusual and Rare and discussed in our forums with posts like "Baby a Day".
From the experts:
Marine is an extremely popular and fashionable name in France that's virtually unknown here — and is ready to set sail. Marine feels more contemporary than Marina and less hippie-esque than Oceane, another popular name for girls in France.