For women size 16+,men size XL+, & larger Teens, living in Spain

Most listed suppliers ship to Portugal, Gibraltar, Malta, Italy and Greece too.

African Indian Asian and Islamic clothing online suppliers for Spain

AFRICA IMPORTS Authentic African clothing. Plus size pant suits, dresses, traditional fashions, contemporary fashions and wedding clothing.
Choose from a variety of fashions up to 1X, 2X, 3X or 4X
for both formal and casual occasions. They also have a big range of clothing accessories that will compliment both western and African wear alike.
We would draw your attention to their shipping and returns policy, as goods are shipped direct to Spain from Africa, but the USA office handles payment.

Strand of Silk has Traditional and Modern Indian evening, day and occasion wear, including wedding dresses for bride, groom and family members. Kaftans, Lehengas, Anarkalis, Salwar Kameez, Tunics, Tops, Dresses, Jackets and Trousers to any size. They also can custom make Bandh Galas, Kurtas, Sherwanis, Jackets and more for men. Delivery £5

The Desert Boutique (Kuwait) Islamic Clothing
Lowest prices, highest quality! They do custom clothing as well for both men and women in SUPER sizes!
Delivery to Spain from Kuwait is by weight [ approx $14 for first kilo, then $5 per half kilo]

Ebay has some nice plus size Indian clothing listed at present.