Mosto Wine Shop opened its cellar doors on Rua dos Celeiros in 2018, occupying a narrow stone-walled storefront that once held olive oil and grain for the fishermen's quarter. The address sits two blocks inland from Praça Infante Dom Henrique, where the cobbled lanes tighten and the Algarvian sun slants through wrought-iron balconies at the hour the shop unlocks each evening. Proprietor João Correia assembled a vertical wine library spanning twenty Portuguese appellations, from Vinho Verde's granitic north to the Alentejo's clay plains, with an emphasis on small-production estates that ferment native castas: Arinto, Touriga Nacional, Antão Vaz. The tasting format is self-directed; visitors select flights by region or varietal, and each pour is accompanied by tasting notes printed on recycled card stock. Lagos wine tasting and tapas culture reflects the Algarve's dual identity as both Atlantic fishing port and agrarian hinterland. The petiscos menu at Mosto changes weekly, dictated by the morning catch at the municipal market and the harvest calendar of cooperative farms in the Barrocal hills. Regulars return for presunto from acorn-fed black pigs, sheep's cheese aged in terra-cotta, and conservas — tinned sardines and octopus — sourced from Matosinhos canneries that have operated since the Estado Novo era. The wine bar model, imported from Lisbon's Bairro Alto in the early 2010s, found fertile ground in Lagos, where a resident international community and a steady flow of cultural tourists support year-round evening service. The interior holds sixteen seats across high stools and a single communal table milled from reclaimed fishing-boat timber. Walls are whitewashed plaster, interrupted by steel wine racks and a chalkboard listing the day's offerings in Portuguese and English. A sound system plays fado recordings and Brazilian bossa nova at conversational volume. The staff — three sommeliers trained at Lisbon's wine academy — rotate the selection every fortnight, ensuring that no visit replicates the last. Booking is recommended during summer months, when foot traffic from the nearby marina and the Ponta da Piedade shuttle hub saturates the old town's hospitality infrastructure. Mosto closes Sunday and Monday, aligning with the traditional Algarvian rhythm that reserves the weekend's end for family and rest rather than commerce.