Update: Some offers mentioned below are no longer available. View the current offers here.Starwood and SPG frequently run promos, giving members an opportunity to earn bonus points and even a few free nights. The latest promotion from the hotel brand will reward you with one SPG Free Night Award after you spend three nights at Design Hotels, which are eligible for SPG benefits after their partnership began last year. You can earn up to two free nights as part of this promotion.SPG and Design Hotels have been increasing the number of eligible properties quite frequently — there are some fantastic hotels on the list, including the Gramercy Park Hotel in New York and the ION Luxury Adventure Hotel in Nesjavellir, Iceland. While there are more than 280 Design Hotels worldwide, only some are currently participating in SPG.Each free night award will be good for any Starwood property up to Category 5, such as the W in Beijing or the Aloft Manhattan Downtown, and must be redeemed by September 30, 2016.To be eligible for this promotion, you must register by May 16 — existing bookings will be eligible for this promo as well. Your three eligible nights at Design Hotels must be completed by May 31, and don’t need to be done consecutively.Here’s a list of Design Hotels properties currently in the SPG portfolio:Sign up for our daily newsletterEmail addressSign upI would like to subscribe to The Points Guy newsletters and special email promotions. The Points Guy will not share or sell your email. See privacy policy.CountryCityNameCategoryRedemption RateAustriaViennaThe Guesthouse Vienna 6 20,000-25,000ChinaShanghaiThe Waterhouse at South Bund 5 12,000-16,000FranceParisLes Bains, Paris 7 30,000-35,000GreeceAthensNew Hotel, Athens 5 12,000-16,000GreeceAthensPeriscope, Athens 4 10,000GreeceAthensSemiramis Hotel, Athens 4 10,000IcelandNesjavellirION Luxury Adventure Hotel, Nesjavellir 6 20,000-25,000ItalyCassago BrianzaC-Hotel & Spa, Cassago Brianza 3 7,000ItalyLa ThuileNira Montana, La Thuile 5 12,000-16,000ItalyRomeG-Rough, Rome 7 30,000-35,000ItalyVenicePalazzinaG, Venice 7 30,000-35,000KenyaNairobiTribe Hotel, Nairobi 512,000-16,000MexicoAcapulcoBoca Chica, Acapulco 4 10,000MexicoGuadalajaraCasa Fayette, Guadalajara 4 10,000MexicoMexico CityCondesa df, Mexico City 5 12,000-16,000MexicoMexico CityDistrito Capital, Mexico City 4 10,000MexicoMexico CityHabita, Mexico City 5 12,000-16,000MexicoMonte GordoAzucar, Monte Gordo 4 10,000MexicoPueblaLa Purificadora, Puebla 3 7,000MexicoPuerto EscondidoHotel Escondido, Puerto Escondido 6 20,000-25,000MexicoSan RafaelMaison Couturier, San Rafael 4 10,000NetherlandsMaastrichtKruisherenhotel Maastricht 5 12,000-16,000NetherlandsRotterdamMainport, Rotterdam 4 10,000South AfricaJohannesburgTen Bompas Hotel, Johannesburg 4 10,000South KoreaSeoulGLAD Hotel Yeouido 2 3,000-4,000SingaporeSingaporeNew Majestic Hotel 4 10,000SingaporeSingaporeWanderlust 4 10,000SpainBarcelonaGrand Hotel Central, Barcelona 6 20,000-25,000SpainMadridThe Principal Madrid 5 12,000-16,000SwedenStockholmHotel J 4 10,000SwedenStockholmNobis Hotel 5 12,000-16,000SwedenStockholmStallmastaregarden 4 10,000SwitzerlandAdelbodenThe Cambrian, Adelboden 5 12,000-16,000SwitzerlandSilvaplanaNira Alpina, Silvaplana 6 20,000-25,000TurkeyIstanbulGezi Hotel Bosphorus, Istanbul 4 10,000UkraineKiev11 Mirrors 4 10,000United KingdomLondonTown Hall Hotel & Apartments, London 5 12,000-16,000United StatesNew York11 Howard, New York 6 20,000-25,000United StatesNew YorkGramercy Park Hotel, New York 7 30,000-35,000United StatesNew YorkHotel Americano, New York 6 20,000-25,000SPG members who book stays at participating Design Hotels directly through Starwood will be offered slightly different benefits than they receive at other SPG hotels and resorts. You’ll earn two Starpoints per dollar spent (three for Gold Preferred and Platinum Preferred, four for P75 and P100), as well as night and stay credit toward elite status and on-property benefits like internet access and bottled water in your room.Members who pay with a Starwood Preferred Guest Credit Card from American Express or Starwood Preferred Guest Business Credit Card from American Express will earn two points per dollar at participating hotels, on top of the points you’ll earn from the property itself.H/T: View From the Wing