PDO Santorini / PDO Vinsanto / PGI CycladesAssyrtiko, Aidani, Athiri, Mavrotragano, MandilariaFounded 1991Kir-Yianni group (majority shareholder since December 2025); Paris Sigalas (founder)Oia
Paris Sigalas's 1991 foundation at Oia, anchor of the northern half of Santorini and a centrepiece of the Mavrotragano red-grape revival. Now part of the Kir-Yianni group (Boutaris family) since the December 2025 acquisition, with Stelios Boutaris as CEO.
Tasting: Year-round; tastings by reservation, Monday to Sunday 11:00 to 18:00. Multi-flight options including a Mavrotragano deep-dive and a Vinsanto vertical.
Signature wines: sigalas-santorini-assyrtiko, sigalas-kavalieros, sigalas-mavrotragano, sigalas-vinsanto
Tip: Kavalieros, the single-vineyard Assyrtiko from a parcel near the village, is the flagship and benefits from 4 to 6 years of bottle age.
PDO Santorini / PDO Vinsanto / PGI CycladesAssyrtiko, Aidani, Athiri, Mavrotragano, Mandilaria120 haFounded 1903Argyros familyEpiskopi Gonia
Argyros family estate at Episkopi Gonia, founded 1903 and now in its fourth generation. The estate farms more than 120 hectares of own-rooted kouloura Assyrtiko; average vine age exceeds 70 years with some parcels over two centuries.
Tasting: Year-round tasting room at the Episkopi Gonia winery; bookable flights covering PDO Santorini, Cuvée Monsignori, Mavrotragano and a Vinsanto vertical (Vinsanto bottlings of 20 and 40 years are routinely poured).
Signature wines: argyros-santorini-assyrtiko, argyros-cuvee-monsignori, argyros-mavrotragano, argyros-vinsanto-20-years
Tip: The Vinsanto 20 Years carries 20 years of barrel ageing under the PDO Vinsanto regime; the standard PDO Assyrtiko sits at the EUR 25-35 retail band.
PDO Santorini / PDO Vinsanto / PGI CycladesAssyrtiko, Aidani, Athiri, Mavrotragano, MandilariaFounded 1947Union of Santorini Cooperatives (member-owned)Pyrgos
The cooperative of Santorini grape-growers, founded 1947 and based at Pyrgos on the central ridge of the island. A major purchaser of island fruit, with a caldera-rim tasting terrace that is a busy cellar-door stop on Santorini.
Tasting: Year-round caldera-rim tasting terrace at Pyrgos; walk-in flights with structured wine and food pairings, plus reservation-only deeper visits. A high-volume cellar-door operation with terraces seating hundreds at peak.
Signature wines: santo-wines-assyrtiko, santo-wines-nykteri, santo-wines-vinsanto-12-years
Tip: Book the sunset slot on the caldera terrace and order the food-and-wine pairing flight; the standard PDO Santorini at cooperative pricing is one of the better entry-level Assyrtiko bottles on the island.
PDO Santorini / PDO Vinsanto / PGI CycladesAssyrtiko, Aidani, Mavrotragano, Mandilaria, VoudomatoFounded 1997Hatzidakis family (Konstantina Chryssou, widow of founder)Winemaker Stamatina HatzidakiORGANIC CERTIFIEDPyrgos
Pyrgos-based organic estate founded 1997 by the late Haridimos Hatzidakis (1965 to 2017), a self-taught winemaker who pioneered the organic dry Santorini style.
Tasting: By appointment; structured tastings in the cellar including the Skitali (the heir) bottling continued in memory of the late founder, plus Aidani, Mavrotragano and the Hatzidaki Cuvée 17.
Signature wines: hatzidakis-santorini, hatzidakis-aidani, hatzidakis-mavrotragano, hatzidakis-skitali
Tip: The single-vineyard Cuvée 17 is the estate's most ambitious dry white; the rare monovarietal Aidani shows the lifted floral side of the PDO blend.
PDO Santorini / PDO Vinsanto / PGI CycladesAssyrtiko, Aidani, Mandilaria, Mavrotragano, VoudomatoFounded 2004Artemis KaramolegosWinemaker Artemis KaramolegosExo Gonia
Exo Gonia estate built by Artemis Karamolegos in 2004 on family vineyard parcels, with cellar door and the Aroma Avlis restaurant on the same site.
Tasting: Walk-in and reserved tastings year-round; on-site Aroma Avlis Food and Wine restaurant pairs the estate's bottlings with farm-to-table Mediterranean cooking.
Signature wines: karamolegos-assyrtiko-34, karamolegos-nykteri, karamolegos-mavrotragano
Tip: Book a winery visit with lunch at Aroma Avlis on the cellar terrace; the Assyrtiko 34 (older-vines bottling) is the standout dry white.
PDO Santorini / PDO Vinsanto / PGI CycladesAssyrtiko, Aidani, Athiri, Mandilaria, MavrotraganoFounded 1836Roussos familyMesa Gonia
Founded 1836 by the Roussos family at Mesa Gonia and continuously operating from the historic family canava since the 19th century. The stone-vaulted cellar houses a small museum of pre-industrial Santorini winemaking tools alongside the working tasting room.
Tasting: Daily 11:00 to 19:00 (seasonal); bookable tasting flights at the historic canava (cellar) at Mesa Gonia, including the family's long-aged Vinsanto and Mavrotragano-Mandilaria reds.
Signature wines: canava-roussos-vinsanto, canava-roussos-vinsanto, canava-roussos-caldera
Tip: The Vinsanto here is sometimes available in 20 and 25 year aged bottlings; the Caldera (red) blend of Mavrotragano and Mandilaria is a distinctive heritage red.
PDO Santorini / PDO Vinsanto / PGI CycladesAssyrtiko, Aidani, Mandilaria, Mavrotragano, Voudomato, KatsanoFounded 1900Gavalas family (George Gavalas, fourth generation; Vagelis Gavalas, fifth generation)Winemaker George GavalasMegalochori
Five-generation Gavalas family canava in the centre of Megalochori, producing roughly 90,000 bottles a year across 11 wines. The range includes monovarietal bottlings of Katsano (white) and Voudomato (red), two heritage island grapes seldom seen as single varieties elsewhere on Santorini.
Tasting: Year-round; intimate tasting room at the family canava in central Megalochori. Tasting flights include monovarietal bottlings of the rare indigenous Katsano (white) and Voudomato (red), seldom vinified as single varieties on Santorini.
Signature wines: gavalas-santorini, gavalas-katsano, gavalas-voudomato, gavalas-vinsanto
Tip: Visit specifically for the Katsano and Voudomato; monovarietal bottlings of these heritage island grapes are uncommon at other Santorini cellar doors.
PDO Santorini / PDO Vinsanto / PGI CycladesAssyrtiko, Aidani, Athiri, Mavrotragano, MandilariaFounded 1903Antoniou familyMegalochori
Historic Megalochori cellar of the Antoniou family, founded 1903, with a multi-level rock-cut layout running down the caldera escarpment. The traditional canava is a working stop on most island wine tours.
Tasting: Year-round; bookable tasting visits at the restored historic cellar on the caldera side of Megalochori. Programme emphasises the multi-level gravity cellar layout and the Vinsanto-ageing chamber cut into the rock.
Signature wines: antoniou-santorini, antoniou-nykteri, antoniou-vinsanto
Tip: The rock-cut Vinsanto barrel chamber is an atmospheric tasting space; pair the visit with a stroll through central Megalochori afterwards.
PDO Santorini / PDO Vinsanto / PGI CycladesAssyrtiko, Aidani, Athiri, Mandilaria, MavrotraganoFounded 1870Koutsoyannopoulos familyVothonas
Koutsoyannopoulos family canava at Vothonas (between Fira and Kamari), founded 1870 and operating since the 1990s with the on-site Wine Museum, an 8-room cave display covering 300 years of Santorini viticulture.
Tasting: Daily year-round; the visit combines the working winery, the underground Wine Museum (an 8-room cave tracing 300 years of Santorini wine history), and a tasting flight of the estate's Volcan Wines bottlings.
Signature wines: volcan-wines-assyrtiko, volcan-wines-nykteri, volcan-wines-vinsanto
Tip: The cave Wine Museum is the most child-friendly wine attraction on Santorini and one of the few rainy-day options on the island; the tasting flight afterwards is solid value.
Assyrtiko, Aidani, Mavrotragano, MandilariaWalk-ins welcomeOia
Paris Sigalas's vineyard estate in the Baxedes plain north of Oia is the most-visited boutique winery on Santorini. The shaded courtyard tasting room pours single-vineyard Assyrtiko alongside rare Mavrotragano and oak-aged Nykteri.
Assyrtiko, Aidani, Mavrotragano, Mandilaria, VinsantoAppointment onlyPyrgos
Founded by the late Haridimos Hatzidakis, now run by his widow Konstantina and daughter Stella, this organic-certified estate in Pyrgos works with low-intervention Assyrtiko from old-vine kouloura plots.
Assyrtiko, Aidani, Mandilaria, Mavrathiro, VinsantoWalk-ins welcomeMesa Gonia
Founded in 1836, Canava Roussos is a fourth-generation family business operating continuously since the 19th century. The traditional canava cellar in Mesa Gonia preserves century-old wooden barrels alongside fortified specialities including Mavrathiro and Caldera.
Assyrtiko, Aidani, Mavrotragano, MandilariaAppointment onlyFira
A 10-minute walk from the centre of Fira, Anhydrous Winery operates as a multi-space cellar dedicated to wine tasting, vineyard tours, on-site Greek restaurant and grape-therapy wellness sessions.
Assyrtiko, Athiri, Mavrotragano, Mandilaria, VinsantoWalk-ins welcomeExo Gonia
Artemis Karamolegos took over his grandfather's Exo Gonia cellar and expanded it into a destination winery with a full restaurant on site. The tasting room pairs estate Assyrtiko 34 and Mavrotragano with seasonal Cycladic produce at Aroma Avlis.