Mug Siren Tail White 12oz Price at Starbucks (2026)
A Mug Siren Tail White 12oz costs €10.9 at Starbucks in Portugal (updated August 2026).
Based on the latest tracked prices, the Mug Siren Tail White 12oz from Starbucks costs €10.90 in Portugal (August 2026). That's about 25% below the average Starbucks Merchandise item — the 4th-cheapest of 11 we track. It's available at around 28 Starbucks locations across Portugal. Prices are sourced from delivery platforms and refreshed regularly. Compare it against other brands or set a free price-drop alert on MenuPriceToday.
How this compares in Merchandise
11 items tracked| This item | €10.90 |
| Merchandise median | €14 |
| Cheapest — Copo Reutilizável | €5 |
| Most expensive — Cold Cup SS Dual Lid Green 16oz | €24 |
| vs Merchandise median | −22% |
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