Big Rock East Dennis, Cape Cod View on Ocean MapRaised in off-bottom racks on the sand flats of East Dennis, Cape Cod Avg. rating 3.5 Love3Rate & Review!Species: EasternCultivation: Off-Bottom CagesSalinity: BrinySize: AverageRegion: Massachusetts Big Rock (3 Ratings) oysterette on May 5, 2017 at 8:33 am Rating 5 Clean great flavor just the right amount of briny flavor Alexander Place on April 23, 2016 at 3:13 pm Rating 4 Solid. Clean. MassCoyote on February 23, 2016 at 2:06 pm Rating 2 Very salty. Not much flavor Submit a Rating Cancel replySign up now to post your rating, or login here.