Wine Doctrine
2019

Ultramarine Blanc de Blancs Keefer Ranch Sonoma Coast

Tasted 6 January 2024 Sonoma County · Sonoma Coast Flawed bottle

Not so sure I'm too stoked on the track record here with some of these sparklers. This one opened up with extremely aggressive bubbles (and yes, it has been resting on its side and treated with kid gloves since coming…

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Ultramarine
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2018

Ultramarine Blanc de Blancs Heintz Vineyard Sonoma Coast

Sonoma County · Sonoma Coast

Yellow and white pear dominant, with lemon, malt, and frothy white mineral elements making for a rather ripe and hefty performance, but one in which balance and seamlessness is properly maintained. A…

Reviewed 19 September 2026
2018

Ultramarine Sparkling Rosé Heintz Vineyard

Sonoma County · Sonoma Coast

This is a much meatier and advanced version than what I’ve experienced from the 2018 Rose. In fairness to the producer, it was an auction bottle (with a disgorgement date a week later than the ones I…

Reviewed 30 August 2026
2017

Ultramarine Blanc de Blancs Heintz Vineyard Sonoma Coast

Sonoma County · Sonoma Coast

Though the lemon and apple flavors are sound and controlled, they are laced with a sourness in this vintage that never fully shakes off during the entirety of consumption. I don’t mind it, but I…

Reviewed 25 August 2026
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