Ordered by the number of ascents recorded.
| Climb Name | Type | Grade | # Ascents Recorded | Notes | Exclude Reason |
|---|---|---|---|---|---|
| Megos's Project | Sport route | 9c (approx) | 1 | ||
| Mejorando la Samfaina | Sport route | 9b+ | 1 | ||
| Melange | Sport route | 8c+ | 1 | ||
| Melltith | Sport route | 8c | 1 | ||
| Memento | Sport route | 8b+ | 1 | ||
| Memorias de una Sepia | Sport route | 8a | 1 | ||
| Merchant of Menace | Sport route | 8b | 1 | ||
| Mescalito | Sport route | 7c | 1 | ||
| Mezzogiorno di Fuoco | Sport route | 8b | 1 | ||
| Microcosm | Sport route | 8a+ | 1 | ||
| Mille Millions de Mille Sabords | Sport route | 8b | 1 | ||
| Millennium | Sport route | 8b | 1 | ||
| Mingus | Sport route | 8a | 1 | ||
| Minimal Techno | Sport route | 8a | 1 | ||
| Mirage | Sport route | 7c+ | 1 | ||
| Mission Impossible | Sport route | 8c+ | 1 | ||
| Mission Impossible | Sport route | 8c | 1 | ||
| Mister Vertebras | Sport route | 9a | 1 | ||
| Mixed Signals | Sport route | 8a+ | 1 | ||
| Moby Dick | Sport route | 8a+ | 1 |