Beaver TailEast Passage, Narragansett Bay Locate on Oyster MapA large, cupped oyster defined by its characteristic “beaver tail” shape. Grown in the deep, cold waters of the East Pass of Narragansett Bay.Avg. rating 4 Love0Species: EasternCultivation: SuspendedSalinity: BrinySize: AverageRegion: Rhode Island1 RatingSubmit a Rating LtChief25 on May 30, 2015 at 9:03 pm Rating 4 A bit bigger oyster than others I have had so far this year in RI. Delicious oyster but found it to not be as briny as led to believe. Log in to ReplySubmit a Rating Cancel replySign up now to post your rating, or login here.