Winery Directory

Marine Layer Wines is a Sonoma Coast-focused winery in Healdsburg, CA, founded by Baron Ziegler with winemaker Rob Fischer. The winery sources exclusively from the best vineyards in the Sonoma Coast region and specializes in cool-climate Pinot Noir and Chardonnay, utilizing sustainable farming practices, heritage clones, and hand-harvesting.

Markham Vineyards is a St. Helena, California winery that has operated for 45 years as a leader in crafting Bordeaux varietals in Napa Valley, with Merlot as its flagship wine. The winery manages 260 acres of sustainably farmed estate vineyards across multiple Napa Valley micro-sites and was among the first California wineries to specialize in Merlot.

Mark Ryan Winery is a Washington winery established in 1999 in Woodinville by founder and winemaker Mark Ryan McNeilly. The winery specializes in wines from Red Mountain and other Washington vineyard sites including Horse Heaven Hills, Yakima Valley, and Columbia Valley. Mark Ryan operates tasting rooms in Woodinville and Walla Walla, and is the 14th largest winery in Washington state with national and international availability.

Marshall Davis Wine is a small batch winery founded in 2011 by brothers Sean Davis, Ryan Marshall, and Matt Marshall, located in Carlton, Oregon. The estate produces Pinot Noir and Chardonnay from vineyards in the Yamhill-Carlton AVA of the Willamette Valley, as well as Syrah and Cabernet Sauvignon from Walla Walla. Winemaker Sean Davis focuses on minimal manipulation and tannin management to let each vineyard express its character.

Martha Stoumen Wines is a California-based natural wine producer located in Mendocino that makes handcrafted wines with minimal intervention. The winery focuses on a culture of patience in farming and winemaking, employing hand-harvesting and hand-pruning practices while working with natural yeasts and bacteria. The portfolio includes varietals such as Zinfandel, Pinot Noir, Chardonnay, Carignan, Syrah, Nero d'Avola, and Negroamaro rosatos.

Martinelli Vineyards and Winery is a family-owned winery in Windsor, California that has been farming estate vineyards for over 135 years since the 1880s. The winery operates 470 acres of sustainably-farmed vineyards across Russian River Valley, Green Valley, and Fort Ross-Seaview appellations, producing Chardonnay, Pinot Noir, Zinfandel, Syrah, and Muscat of Alexandria. The family offers small-production, vineyard-designated wines and hosts tastings at their historic turn-of-the-century hop barn in Russian River Valley.

Martorana Family Winery, located on Dry Creek Ranch in Healdsburg, produces organically-grown wines and is known for its sustainable practices, including earning the Wildlife Stewardship Award from the Association of Fish & Wildlife Agencies. The winery, which traces its Italian heritage back to the Accornero family in Santo Stefano, Italy, offers varietals including Sauvignon Blanc, Chardonnay, Zinfandel, Merlot, Petite Sirah, and Cabernet Sauvignon, along with olive oil production.

Maryhill Winery was established in 1999 by Craig and Vicki Leuthold in the Columbia River Gorge near Goldendale, Washington. The winery produces a diverse portfolio of wines including Cabernet Sauvignon, Syrah, Merlot, and Bordeaux and Rhône varieties, utilizing grapes from local vineyards including the historic Gunkel Vineyard. The winery operates a tasting room and hosts live music and events at its main location, and maintains additional tasting rooms in Spokane, Vancouver, and Woodinville.

Massanois is a New York City-based national importer and distributor of fine wine and craft spirits representing a portfolio of family-owned wineries and distilleries from 15 countries including France, Italy, Spain, Argentina, Chile, and the United States. Operating in 45 US states with owned distribution in eight markets, the company connects producers with restaurants, retailers, and distributors.

Matchbook Wine Company is a family-owned winery in Yolo County, California, located in the Dunnigan Hills appellation. Founded by fifth-generation farmers John and Karl Giguiere, the winery produces wines from its own vineyards using a combination of traditional and innovative winemaking techniques, including regenerative farming practices. The winery became California Certified Sustainable in 2022.

Materra | Cunat Family Vineyards is a winery located in the Oak Knoll District of Napa Valley, California, established by Brian and Miki Cunat in 2007 when they purchased a 50-acre property. The estate produces Merlot, Petit Verdot, Malbec, Syrah, Chardonnay, Sauvignon Blanc, and Viognier from their vineyard, with a state-of-the-art winery completed in 2014 capable of producing 150,000 gallons.

Mathew Bruno is a limited production winery located in Rutherford, Napa Valley, focusing on Cabernet Sauvignon sourced from prestigious vineyards throughout the region. The winery, founded by Mathew Bruno following his inaugural 2009 vintage, also produces Pinot Noir, Chardonnay, Sauvignon Blanc, and sparkling wines. The Bruno family, originally from Southern Italy with three generations in agriculture, operates a tasting room by appointment at their Rutherford Estate.

Matthiasson Wines is a small, independently owned family winery in Napa Valley founded in 2003 by Jill and Steve Matthiasson. The winery produces organic wines from familiar varieties like Chardonnay and Cabernet Sauvignon as well as rare varieties including Ribolla Gialla and Refosco, focusing on hand-tended vineyards and moderate-alcohol wines intended to be refreshing and food-friendly.

Mauritson Family Winery is located in Dry Creek Valley near Healdsburg and produces small-lot, handcrafted wines from Dry Creek, Rockpile, and Alexander Valleys. The family has been farming in the region for more than 150 years and now operates a tasting room offering seated tastings and single-vineyard releases from Rockpile AVA.

Johnson Brothers Maverick is a multi-state beverage distributor operating in Arizona, Colorado, Florida, and Texas. The company imports and distributes fine wines, craft spirits, ciders, and sakés, representing a diversified portfolio of producers from around the world. Originally established as Quench Fine Wines Arizona in 2003, the company has grown through partnerships with regional distributors and joined the Johnson Brothers family in June 2025.

Maxville Winery is located in Napa Valley's Chiles Valley AVA, spanning over 1,000 acres with 700 acres permanently preserved under the Napa Valley Land Trust. The winery produces handcrafted wines from estate-grown vineyards using small open-top fermentation tanks, with some vines dating to 1974. The property features a renovated winery, barrel-aging caves, and a private lake surrounded by native oak trees.

Mayacamas Vineyards is a winery operation in Napa Valley that has been in business since 1889. Since the 1950s, the winery has maintained consistent vinification using classical techniques. The company operates an estate location and a downtown tasting room in Napa.

Maysara Winery is a biodynamic winery located in McMinnville, Oregon, on the Momtazi Estate. Founded in 1997, the winery produces wines using Demeter Certified Biodynamic farming techniques on 532 acres, with a focus on Pinot Noir and other varietals grown without chemical inputs. The estate is situated in the foothills of Oregon's Coast Range, characterized by diverse soil types and a microclimate with warmer days and cooler nights.

MCV Wines opened in 2011 in Paso Robles and is known for producing Petite Sirah from high-quality grapes sourced from the Paso Robles AVA. The winery describes the varietal as dark, rich, smooth, elegant, bold, and age-able.