Islay #4 11 Year Old (That Boutique-y Whisky Company) vs Mortlach 17 Year Old 2008 (cask 800123) - Cask Strength Collection (Signatory)
Side-by-side comparison — price, ABV, scores, tasting notes, pros & cons.

Islay #4 11 Year Old (That Boutique-y Whisky Company)
That Boutique-y Whisky Company
★ 5.00
£67

Mortlach 17 Year Old 2008 (cask 800123) - Cask Strength Collection (Signatory)
Mortlach
£108
| Islay #4 11 Year Old (That Boutique-y Whisky Company) | Mortlach 17 Year Old 2008 (cask 800123) - Cask Strength Collection (Signatory) | |
|---|---|---|
| Distillery | That Boutique-y Whisky Company | Mortlach |
| Region | — | Speyside |
| Country | Scotland | Scotland |
| Type | Single Malt | Single Malt |
| ABV | 48.8% | 48.9% |
| Age | 11 yr | 17 yr |
| Price | £66.95 | £107.5 |
| Rating | 5.00/5 | — |
Islay #4 11 Year Old (That Boutique-y Whisky Company)
Mortlach 17 Year Old 2008 (cask 800123) - Cask Strength Collection (Signatory)
Islay #4 11 Year Old (That Boutique-y Whisky Company)
Mortlach 17 Year Old 2008 (cask 800123) - Cask Strength Collection (Signatory)
Quick verdict
Islay #4 11 Year Old (That Boutique-y Whisky Company) is rated higher (5.00 vs 0.00).
Islay #4 11 Year Old (That Boutique-y Whisky Company) is better value at £67 vs £108.
For beginners: Mortlach 17 Year Old 2008 (cask 800123) - Cask Strength Collection (Signatory) is more approachable (55/100 beginner score).
Islay #4 11 Year Old (That Boutique-y Whisky Company)
Pros
- +Balanced smoky character without being overwhelming
- +Better value for money
- +Higher community rating (5.0/5)
- +More affordable (£66.95 vs £107.5)
Cons
- −Niche style — may not suit all palates
Mortlach 17 Year Old 2008 (cask 800123) - Cask Strength Collection (Signatory)
Pros
- +Longer maturation (17 vs 11 years)
Cons
- −More expensive (£107.5 vs £66.95)
- −Lower community rating (0.0 vs 5.0)
- −Lacks smoke character compared to the alternative
Who should buy Islay?
Islay #4 11 Year Old (That Boutique-y Whisky Company) suits whisky enthusiasts looking for a well-rounded, complex dram. It rewards those with some experience and an appreciation for Single Malt character.
Who should buy Mortlach?
Mortlach 17 Year Old 2008 (cask 800123) - Cask Strength Collection (Signatory) suits whisky enthusiasts looking for a well-rounded, complex dram. It rewards those with some experience and an appreciation for Speyside character.
Tasting notes
Only Islay #4 11 Year Old (That Boutique-y Whisky Company)
Only Mortlach 17 Year Old 2008 (cask 800123) - Cask Strength Collection (Signatory)