1) Bluepoint cultivation site 2) Bluepoint source 3) Place for pearls 4) Place to find pearls 5) Precious gem source 
An oyster bed is a breeding place for oysters. The term applies to both naturally occurring colonies of oysters and to a place in a tidal river or other water on or near the seashore, where oysters are deliberately deposited to grow and fatten for market.
[n] - a workplace where oysters are bred and grown
oyster bank noun a workplace where oysters are bred and grown
a place where oysters breed or are cultivated.