Answer:

OPENSEA

Answer	Crossword Clue
OPENSEA	Nonterritorial waters
OPENSEA	Main
OPENSEA	View from a porthole

OPENSEA	Tar's milieu
OPENSEA	Swell area
OPENSEA	Where pirates prey
OPENSEA	Bounding main
OPENSEA	Place for mariners
OPENSEA	Water not surrounded by land
OPENSEA	Middle of the ocean
OPENSEA	Swell place?

OPENSEA	Area outside of territorial waters
OPENSEA	Ocean, mostly
OPENSEA	Area beyond the three-mile limit
OPENSEA	International waters
OPENSEA	Swell spot
OPENSEA	Far-out locale
OPENSEA	View during an ocean crossing
OPENSEA	Area beyond the marine belt

OPENSEA	Main part of an ocean
OPENSEA	The bounding main.
OPENSEA	Blue water.
OPENSEA	The briny deep.
OPENSEA	Gipsy Moth's milieu
OPENSEA	Beyond the twelve-mile limit
OPENSEA	Mid-ocean
OPENSEA	The bounding main

OPENSEA	Marine area
OPENSEA	Unenclosed waters
OPENSEA	It's beyond the harbor
OPENSEA	The briny
OPENSEA	View from the QE2
OPENSEA	Where to find clear sailing
OPENSEA	Earth, for the most part
OPENSEA	It's far out

OPENSEA	Where clippers go at a clip
OPENSEA	Where fleets sail
OPENSEA	It's beyond the three-mile limit
OPENSEA	Briny expanse
OPENSEA	Deep water