1. M'Kean Island
2. Macaw Bank
3. Maiakei
4. Maiana Atoll
5. Maiana Island
6. Makauro
7. Maki Meang Island
8. Makin
9. Makin Atoll
10. Makin Maian
11. Makin Meang
12. Malden Island
13. Malden Island Anchorage
14. Manna
15. Manoku
16. Manounou
17. Manra
18. Manra Atoll
19. Manra Island
20. Manriki
21. Manulu Lagoon
22. Marakei Atoll
23. Maraki
24. Maranenuka Village
25. Marenanuka

26. Marenanuka
27. Maria
28. Mary Balcourt
29. Mary Island
30. Matan
31. Matang
32. Mathew Island
33. Matthew Island
34. Matthews
35. Maungatabu
36. McKean Atoll; McKean Island
37. McKean Island
38. Melanesian Basin
39. Melaneziyskaya Kotlovina
40. Merlin Seamount
41. Metaua Point
42. Minneapolis Ridge
43. Minniapolis Ridge
44. Monouti
45. Morikao
46. Motu Lakau
47. Motu Lavaki
48. Motu o Tau
49. Motu Tabu
50. Motu Tuba