Castle & Key Distillery

Production Standards

Water Source: Natural limestone spring drawn directly from the historic subterranean Key Springhouse designed by E.H. Taylor, Jr.
Cooperage: Charred New American White Oak (Char #3 and Char #4 from Independent Stave Company).
Warehouse Notes: Home to the world's longest active brick aging warehouse (534 feet long), accommodating over 35,000 barrels under a single roof.

Mash Bill	Grain Makeup
Traditional Bourbon Recipe	73% White Corn, 10% Rye, 17% Malted Barley
Wheated Bourbon Recipe	73% White Corn, 10% White Winter Wheat, 17% Malted Barley
Restoration Straight Rye Recipe	63% Rye, 17% Yellow Corn, 20% Malted Barley

Aged 5–6+ Years 109.6 Proof (54.8% ABV)

Batch-selected cask strength; molasses, dried stone fruit, roasted cacao nibs, burnt caramel, and deep toasted oak.

Aged 4–5 Years (Batch-released) 100 Proof (50% ABV) Restoration Straight Rye Recipe

Flagship revival rye; spearmint, orange marmalade, vanilla wafer, peanut brittle, nutmeg, and black pepper.

Aged 4–5+ Years Barrel Proof (~115–125+ Proof / ~57.5–62.5% ABV) Restoration Straight Rye Recipe

Uncut & non-chill filtered; oily texture, oolong tea, dense peppery spice, dark chocolate, stewed stone fruit, and mineral oak.

Hand-selected single barrels (5+ Years) Barrel Proof (Varies, ~108–120+ Proof)

Unblended single casks spotlighting individual micro-climates within Warehouse B; rich vanilla bean, praline, and oak spice.

Aged 4–6 Years (Batch-released) ~98–101 Proof (~49–50.5% ABV)

Commemorative flagship; notes of graham cracker, golden apple, orange zest, toffee, honeysuckle, and gentle clove.

Aged 7 Years 100 Proof (50% ABV)

Soft white wheat profile; doughy pastry, ripe orchard fruits, candied citrus, butterscotch, and warm baking cinnamon.

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