Littlemill 21 Year Old 1991 - Single Cask (Master of Malt) vs Islay #4 11 Year Old (That Boutique-y Whisky Company)
Side-by-side comparison — price, ABV, scores, tasting notes, pros & cons.

Littlemill 21 Year Old 1991 - Single Cask (Master of Malt)
Littlemill
★ 5.00
£90

Islay #4 11 Year Old (That Boutique-y Whisky Company)
That Boutique-y Whisky Company
★ 5.00
£67
| Littlemill 21 Year Old 1991 - Single Cask (Master of Malt) | Islay #4 11 Year Old (That Boutique-y Whisky Company) | |
|---|---|---|
| Distillery | Littlemill | That Boutique-y Whisky Company |
| Region | Lowland | — |
| Country | Scotland | Scotland |
| Type | Single Malt | Single Malt |
| ABV | 52.4% | 48.8% |
| Age | 21 yr | 11 yr |
| Price | £89.95 | £66.95 |
| Rating | 5.00/5 | 5.00/5 |
Littlemill 21 Year Old 1991 - Single Cask (Master of Malt)
Islay #4 11 Year Old (That Boutique-y Whisky Company)
Littlemill 21 Year Old 1991 - Single Cask (Master of Malt)
Islay #4 11 Year Old (That Boutique-y Whisky Company)
Quick verdict
Islay #4 11 Year Old (That Boutique-y Whisky Company) is better value at £67 vs £90.
For beginners: Littlemill 21 Year Old 1991 - Single Cask (Master of Malt) is more approachable (50/100 beginner score).
Littlemill 21 Year Old 1991 - Single Cask (Master of Malt)
Pros
- +Longer maturation (21 vs 11 years)
Cons
- −High ABV (52.4%) — may need water
- −More expensive (£89.95 vs £66.95)
- −Lacks smoke character compared to the alternative
Islay #4 11 Year Old (That Boutique-y Whisky Company)
Pros
- +Balanced smoky character without being overwhelming
- +Better value for money
- +More affordable (£66.95 vs £89.95)
- +More widely reviewed by the community
Cons
- −Niche style — may not suit all palates
Who should buy Littlemill?
Littlemill 21 Year Old 1991 - Single Cask (Master of Malt) is for enthusiasts who appreciate cask-strength intensity. Best enjoyed with a few drops of water to open up the flavours. Not ideal for casual drinking or beginners.
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.
Tasting notes
Only Littlemill 21 Year Old 1991 - Single Cask (Master of Malt)
Only Islay #4 11 Year Old (That Boutique-y Whisky Company)