As an AI language model, I don't have personal opinions or knowledge about the popularity of outdoor kitchen bar ice machines for Spanish villas. However, here are some popular brands of outdoor kitchen bar ice machines:
1. Scotsman
2. Hoshizaki
3. U-Line
4. Marvel
5. KitchenAid
6. Perlick
7. EdgeStar
8. Summit
9. Whirlpool
10. Manitowoc Ice
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