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.

Galicia occupies the northwestern corner of Spain, where the Atlantic Ocean exerts a profound influence on viticulture. The region has emerged as one of Spain's most dynamic wine-producing areas, known particularly for white wines that reflect its maritime geography. The proximity to the coast and the region's complex topography create distinct microclimates that have historically supported wine production, though Galicia's wine identity was somewhat eclipsed internationally until recent decades when quality producers began gaining recognition.

The region's climate is temperate oceanic, with significant rainfall and moderate temperatures that favor the cultivation of white varieties. The Atlantic influence moderates summer heat and extends the growing season, allowing grapes to develop complexity while retaining acidity. Within Galicia, the Rías Baixas appellation represents the heart of quality wine production, located in the southwestern coastal area where ría (estuary) valleys create sheltered pockets ideal for viticulture. The Ribeira appellation, inland and at higher elevation, offers different conditions that shape wine character distinctly.

Albariño is Galicia's signature grape, thriving in the region's conditions and producing distinctive white wines with mineral salinity, citrus character, and natural acidity. Godello, another key variety, grows particularly in higher-altitude inland areas and yields wines with greater body and complexity. The maritime influence—salt spray, ocean breezes, and the region's geological slate foundations—imparts a characteristic saline quality to Galician whites that distinguishes them from other Spanish white wine regions. These wines tend toward freshness and food-friendliness rather than richness, reflecting the seafood-centric local cuisine.