SuperEgg Tanks

SONOMA CAST STONE

World's
Largest Egg

Nature’s Perfect Shape …Super-Sized!

Yes, we heard you! At 476 gallons, our Classic Egg Tank was already the largest concrete egg in the world—but you asked for even greater capacity, and we delivered. Our expanded model doubles down on production volume, proving that sometimes more truly is less: less cost per gallon when crafting the luxury wines our tanks are renowned for.

Nature’s most harmonious shape is also ideal for wine fermentation. Its seamless, cornerless design allows wine to circulate freely, creating a natural, continuous stirring action you can actually observe. This motion keeps more of the cap submerged, extracting maximum fruit flavor and color—while minimizing the need for manual “punch downs.”

Their sleek, minimalist design makes a striking impression in any showroom, yet it conceals a depth of functionality beneath the surface. Suitable for both red and white wines, each tank is hand-finished in your chosen color and can proudly display your winery’s logo—guaranteed to impress every tour.

As with all Sonoma Cast Stone products, our egg tanks exemplify exceptional design and premium concrete quality—and yes, they're hatched right here in the California Wine Country.