Caol Ila 30 Year Old - Single Cask (Master of Malt) vs Mortlach 20 Year Old (That Boutique-y Whisky Company)
Side-by-side comparison — price, ABV, scores, tasting notes, pros & cons.

Caol Ila 30 Year Old - Single Cask (Master of Malt)
Caol Ila
★ 5.00
£140

Mortlach 20 Year Old (That Boutique-y Whisky Company)
Mortlach
★ 4.00
£130
| Caol Ila 30 Year Old - Single Cask (Master of Malt) | Mortlach 20 Year Old (That Boutique-y Whisky Company) | |
|---|---|---|
| Distillery | Caol Ila | Mortlach |
| Region | Islay | Speyside |
| Country | Scotland | Scotland |
| Type | Single Malt | Single Malt |
| ABV | 57.4% | 48.8% |
| Age | 30 yr | 20 yr |
| Price | £139.95 | £129.95 |
| Rating | 5.00/5 | 4.00/5 |
Caol Ila 30 Year Old - Single Cask (Master of Malt)
Mortlach 20 Year Old (That Boutique-y Whisky Company)
Caol Ila 30 Year Old - Single Cask (Master of Malt)
Mortlach 20 Year Old (That Boutique-y Whisky Company)
Quick verdict
Caol Ila 30 Year Old - Single Cask (Master of Malt) is rated higher (5.00 vs 4.00).
Mortlach 20 Year Old (That Boutique-y Whisky Company) is better value at £130 vs £140.
For beginners: Mortlach 20 Year Old (That Boutique-y Whisky Company) is more approachable (55/100 beginner score).
Caol Ila 30 Year Old - Single Cask (Master of Malt)
Pros
- +Balanced smoky character without being overwhelming
- +Better value for money
- +Higher community rating (5.0/5)
- +Longer maturation (30 vs 20 years)
Cons
- −High ABV (57.4%) — may need water
- −More expensive (£139.95 vs £129.95)
- −Dry and austere — not for those who prefer sweeter drams
Mortlach 20 Year Old (That Boutique-y Whisky Company)
Pros
- +More affordable (£129.95 vs £139.95)
- +Vibrant, fresh fruit character
Cons
- −Lower community rating (4.0 vs 5.0)
- −Lacks smoke character compared to the alternative
Who should buy Caol?
Caol Ila 30 Year Old - 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 Mortlach?
Mortlach 20 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 Speyside character.
Tasting notes
Both taste of
Only Caol Ila 30 Year Old - Single Cask (Master of Malt)
Only Mortlach 20 Year Old (That Boutique-y Whisky Company)