What you'll find in Dos Hermanas
The swinger club for couples and singles is the part of the offer in Dos Hermanas listed here; the page also shows venues in the Seville area within the radius. The activity is discreet, without windows.
The hours mainly cover evening and night, with weekends being the busiest. Seville, just a few minutes by Cercanías, greatly expands the offer, especially of massage salons. Payment is almost everywhere by card.