Available 24/7, Concierge Mykonos Luxury Card Concierge can assist you with travel bookings, various personal requests and much more. Offering around-the-clock service tailored to each Cardmember’s specific needs, Luxury Card Concierge provides a complete lifestyle management tool to ensure you save time and enjoy exceptional service. The Concierge service is available to every Mastercard® Gold Card™, Mastercard® Black Card™ and Mastercard® Titanium Card™ member with no hidden fees.