Reino Unido
Países do mundo
M
- (City and County of Swansea) Mumbles
- (Shetland Islands) Moo Ness
- (Pembrokeshire) Midland Isle
- (Isles of Scilly) Men-a-Vaur
- (Highland) Mingay
- (Isles of Scilly) Merrick Island
- (Isles of Scilly) Menawethan
- (Orkney Islands) Mainland
- (Shetland Islands) Mainland
- (Argyll and Bute) Mâisgeir
- (Eilean Siar) Mealasta Island
- (Highland) Meall Mòr
- (Aberdeenshire) Meikle Mackie
- (Isles of Scilly) Melledgan
- (Devon) Mew Stone
- (Anglesey) Middle Mouse
- (Eilean Siar) Mingulay
- (Pembrokeshire) Monkstone
- (Shetland Islands) Mooa
- (Shetland Islands) Mousa Island
- (Highland) Muck Island
- (Shetland Islands) Muckle Flugga
- (Orkney Islands) Muckle Green Holm
- (Orkney Islands) Muckle Green Holm
- (Shetland Islands) Muckle Holm
- (Shetland Islands) Muckle Holm
- (Shetland Islands) Muckle Roe Island
- (Orkney Islands) Muckle Skerry
- (Fife) Mugdrum Island
- (Eilean Siar) Muldoanich Island