Location: Discoteca Gunilla Club, P.º de Recoletos, 16, Salamanca, 28001 Madrid
Getting there: Colón station
Elegant art-deco club, 2 floors, 21-23+ crowd, smart dress code
Specialty: House commercial, reggaetón premium, VIP areas with balconies
Price range: $ (~20 with drinks)
Pro tip: Get on list for free entry or buy advance tickets; strict door policy
Recommended by @Pitufueros