Bodega Submarina Del Mediterráneo is based in Castilla y León, Spain, and produces still wines and sparkling wine. The bodega works across multiple Spanish wine regions, drawing grapes from Castilla y León, Cataluña, and Galicia to create a range spanning red, white, and sparkling categories.

The bodega's defining characteristic is its use of underwater maturation—a process in which wines are aged submerged in the Mediterranean Sea rather than in traditional cellars. This unconventional method exposes wines to constant pressure, stable cool temperatures, and unique environmental conditions that differ fundamentally from conventional aging. The approach reflects an experimental philosophy toward winemaking rather than adherence to a single regional style.

The current range draws from established Spanish appellations and grape varieties. Their Cava Brut Reserva uses Xarel Lo and Macabeo—the primary varieties of the Penedès region. A Ribera del Duero wine showcases Tempranillo, the signature grape of that prestigious appellation known for structured reds. A Rías Baixas Albariño represents Galicia's acclaimed white wine tradition. This geographic diversity suggests the bodega sources quality fruit from recognized regions while applying its distinctive underwater maturation technique across different wine styles.

Cataluña, or Catalonia, is a vibrant and diverse wine region in northeastern Spain, renowned for its wide range of wine styles and microclimates. This region encompasses several Denominaciones de Origen (DOs), including the famous DO Penedès, known for its innovative white and red wines, and DO Priorat, highly acclaimed for its powerful and intense red wines. Catalonia is also the heartland of Cava, the Spanish sparkling wine, primarily produced in the Penedès area.

Catalonia's geography is varied, featuring coastal areas, extensive valleys, and rugged mountains, which contribute to the distinct terroirs found within its boundaries. The Mediterranean climate generally offers warm, dry summers and mild winters, ideal for viticulture, with variations in temperature and rainfall influenced by altitude and proximity to the sea.

The region produces a multitude of wine varieties, with an emphasis on both indigenous and international grape types. Traditional red varieties include Garnacha (Grenache) and Cariñena (Carignan), particularly prominent in Priorat and Montsant, where old vines contribute depth and complexity to the wines. For whites, varieties such as Xarel-lo, Macabeo, and Parellada are prominent, especially in the production of Cava.

Catalonia's wine production is characterized by a blend of tradition and innovation, with many producers experimenting with new techniques and sustainable practices while respecting their heritage. This dynamic approach, combined with the rich cultural history of the region, makes Catalonian wines truly unique and highly sought after in the global wine market.

Cava is Spain's premier sparkling wine appellation, established in 1986 as a Denominación de Origen designation. While production is legally permitted across several Spanish regions, approximately 95% of Cava originates from Cataluña in northeastern Spain, particularly around the town of Sant Sadurní d'Anoia in the Penedès region.

The appellation mandates traditional method production, requiring a minimum of nine months aging on lees for non-vintage wines and fifteen months for reserva bottlings. Nine grape varieties are permitted, though the white trio of Macabeo, Xarel·lo, and Parellada forms the traditional backbone of most blends. These indigenous varieties are well-adapted to the Mediterranean climate, with Macabeo contributing freshness and floral notes, while Xarel·lo provides structure and mineral character. The region's calcareous soils and moderate maritime influence create favorable conditions for retaining acidity in the grapes.

Cava typically displays bright acidity with flavors of green apple, citrus, and white flowers, often accompanied by subtle mineral undertones from extended lees contact. The wines generally exhibit a crisp, clean profile with fine bubbles and moderate alcohol levels. Style designations range from Brut Nature (zero dosage) to sweeter expressions, though dry styles dominate production and reflect the appellation's focus on food-friendly sparkling wines.