Answer:

OPENSEAS

Answer	Crossword Clue
OPENSEAS	Cruise milieu
OPENSEAS	Liner's milieu
OPENSEAS	Middle of the ocean

OPENSEAS	Pirates' domain
OPENSEAS	Far from land.
OPENSEAS	Free waters
OPENSEAS	These are outside a mare clausum
OPENSEAS	Where pirates operate
OPENSEAS	Where cruisers cruise
OPENSEAS	They're beyond the harbor
OPENSEAS	Pirate's domain