Glidden Point Oyster Farm

About Glidden Point Oyster Farm

Reviewed by Oyster Tasting Guide editorial team · June 2, 2026

Founded

1987, by marine scientist Barbara (Barb) Scully

Current owner

Ryan McPherson (acquired the business in 2016)

Location

Damariscotta River estuary, Edgecomb, Maine

Species

Eastern oyster (Crassostrea virginica)

Cultivation

Bottom culture across ~30 acres on three river leases

Harvest

Slow-grown 3-4 years; hand-harvested by divers and small drags

Salinity

Roughly 28-32 ppt with a freshwater mix; water averages 39-47°F

Glidden Point Oyster Farm sits on the banks of the Damariscotta River in Edgecomb, Maine, on what may be the most storied stretch of oyster water in the state. The farm takes its name from the Glidden Midden, an ancient shell heap on the upper estuary estimated at roughly 2,100 years old, where Native peoples and early settlers feasted on wild Damariscotta oysters and left behind heaps of shells, charcoal, and bone. That deep history is not incidental marketing; it is a reminder that this estuary has been producing exceptional oysters for thousands of years.

The modern farm was founded in 1987 by marine scientist Barbara Scully, one of the original oyster farmers in the region and, by every account, an exacting one. Scully built Glidden Point as a diving-only operation, securing three river leases that together span about 30 acres of bottom and surface, and she harvested many of the oysters herself. Her oysters became coveted for their firm texture and a signature briny-yet-sweet flavor, a profile that comes from growing slowly in very cold water. In 2016 Ryan McPherson, who had worked in fishing and aquaculture in Massachusetts, purchased the business and has maintained the same standards just as demand for Maine oysters surged.

What makes a Glidden Point taste like a Glidden Point is the Damariscotta itself. The river is a tidal estuary that mixes fresh and salt water, sitting at a salinity of roughly 28 to 32 parts per thousand with average water temperatures around 39 to 47°F, noticeably colder than the open sea. Tides on the river are dramatic, with a 10 to 12 foot swing twice a day that flushes a fresh cycle of cold, nutrient-rich seawater across the leases. The farm starts its seed near the top of the river and grows the oysters out in some of the cleanest coastal waters in Maine. This cold, clean, high-flow merroir is the engine behind the eating experience.

Glidden Point grows the Eastern oyster, Crassostrea virginica, the old-fashioned way: bottom-cultured directly on the river floor and slow-grown, typically not harvested until three to four years of age. Cold water slows everything down, and that patience pays off. The slow grow-out produces rock-hard, strong-shelled oysters with deep, well-cupped shells and plump, firm meats. Famously, the farm is one of the only operations in the world to hand-harvest its oysters by divers, supplemented by small drags towed behind boats, and oysters are graded across a range of sizes from 2-3 inch cocktails to 3-4 inch selects to 5-8 inch grillers.

The result is one of the most prized, and priciest, oysters in the country. Tasters consistently describe a crisp, complex flavor that is both clean and bright with brine and underpinned by a balanced sweetness and a firm bite, the hallmark of a cold-water, slow-grown oyster. Glidden Points have been called legendary for a quarter century, and the brand has become a benchmark for what a Maine oyster can be. For visitors, the farm also runs tours and shuck-your-own tastings on the river, turning a tasting note into a place you can actually stand.