Най-дългите морски пещери в света
The Worlds Longest Sea Caves
| Cave name | Country | Region | Length | |
| 1 | Painted Cave | USA | California | 374m |
| 2 | Waiahuakua Cave | USA | Hawaii | 352m |
| 3 | Cueva Tres Pisos | Mexico | California | 316m |
| 4 | Waiwaipuhi Cave | USA | Hawaii | 290m |
| 5 | Sunbeam-by-the-Sea Cave | Mexico | Baja | 270m |
| 6 | Catacombs Cave | USA | California | 246m |
| 7 | Cathedral Cave | USA | California | 241m |
| 8 | Forbidden Fissures | USA | California | 241m |
| 9 | Sandside Head Cave #2 | UK | Scotland | 230m |
| 10 | Sea Maze | USA | California | 229m |
| 11 | Waialoha Cave | USA | Hawaii | 225m |
| 12 | Virgin's Spring | UK | England | 225m |
| 13 | Sand Hill Bluff Cave | USA | California | 206m |
| 14 | Jumbo Gumbo | USA | California | 205m |
| 15 | Parallel Tunnels | Mexico | Baja | 204m |
| 16 | Bat Cave | USA | California | 190m |
| 17 | Seal Canyon Cave | USA | California | 189m |
| 18 | Arch Cave | USA | California | 187m |
| 19 | Stalactite Cave | UK | Scotland | 180m |
| 20 | Mackinnon's Cave | UK | Scotland | 180m |
| 21 | Seal's Cave | UK | Scotland | 180m |
| 22 | Keyhole Rock Cave | USA | California | 180m |
| 23 | Three Door Cave | USA | California | 180m |
| 24 | Green Grotto | USA | California | 180m |
| 25 | Swiss Surprise Cave | USA | California | 176m |
| 26 | Big Mother Cave | USA | California | 173m |
| 27 | Shark's Teeth Cave | USA | California | 158m |
| 28 | Bixby Landing Cave | USA | California | 158m |
| 29 | Blue Grotto | Greece | Dodecanese | 155m |
| 30 | Bass Rock Cave | UK | Scotland | 150m |
| 31 | Sandside Head Cave #1 | UK | Scotland | 150m |
| 32 | Three Fingers Cave | USA | California | 149m |
| 33 | Cave of the Mists | USA | California | 149m |
| 34 | Sarawak Chamber | USA | California | 148m |
| 35 | Neptune's Trident East Fork | USA | California | 145m |
| 36 | Cave of the Lost Soles | USA | California | 142m |
| 37 | Houle de la Banche | France | Bretagne | 142m |
| 38 | Point Buchon Cave | USA | California | 141m |
| 39 | Half-Gone Cave | USA | California | 141m |
| 40 | Faille de Brezellec | France | Bretagne | 140m |
| 41 | Witch's Cauldron | USA | California | 139m |
| 42 | Respiring Chimney Cave | USA | California | 137m |
| 43 | Cueva Valdez | USA | California | 131m |
| 44 | Geo-na-h-airde | UK | Scotland | 130m |
| 45 | Maniniholo Cave | USA | Hawaii | 129m |
| 46 | Cave of the Bird's Eggs | USA | California | 129m |
| 47 | Frenchy's Cave | USA | California | 129m |
| 48 | Starfish Cave | USA | California | 129m |
| 49 | Cave of the Harbor Seals | Mexico | Baja | 128m |
| 50 | Victory Cave | USA | California | 126m |
| 51 | Peter's Creek Cove Cave | USA | California | 125m |
| 52 | Painted Grotto | USA | California | 124m |
| 53 | Double Door Cave | USA | California | 123m |
| 54 | Shipwreck Cave | USA | California | 123m |
| 55 | Seastack Cave | USA | California | 122m |
| 56 | Lady's Harbor Cave | USA | California | 122m |
| 57 | Papanikolis | Greece | . | 120m |
| 58 | Culzean Castle Cave #3 | UK | Scotland | 120m |
| 59 | Rovers' Cave | Canada | Ontario | 120m |
| 60 | Complex Chasm | USA | California | 119m |
| 61 | Room with many Windows | Mexico | Baja | 119m |
| 62 | Pt. Resistance Cave | USA | California | 118m |
| 63 | Natural Bridge Cave | USA | California | 117m |
| 64 | La Grieta | USA | California | 116m |
| 65 | Grande grotte du Talut | France | Bretagne | 116m |
| 66 | Watcomb Bay Cave | UK | England | 115m |
| 67 | Great X Cave | USA | California | 113m |
| 68 | Kalalau Landslide Cave | USA | Hawaii | 112m |
| 69 | Dry Sandy Beach Cave | USA | California | 111m |
| 70 | Emerald Cave | Greece | Cyclades | 110m |
| 71 | Dickmont's Den Cave | UK | Scotland | 110m |
| 72 | Fast Castle Head Cave | UK | Scotland | 110m |
| 73 | Kalalau Beach Cave | USA | Hawaii | 110m |
| 74 | Little Scorpion Bay #2 | USA | California | 108m |
| 75 | Smuggler's Cave | USA | California | 108m |
| 76 | Surging T Cave | USA | California | 108m |
| 77 | Collapsing Cave | USA | California | 108m |
| 78 | Outside Tunnel Cave | USA | California | 108m |
| 79 | Cormorant's/Mackinnon's Cave | UK | Scotland | 107m |
| 80 | Surfing Tunnel | USA | California | 107m |
| 81 | Breathing Cave | USA | California | 106m |
| 82 | Starfish Cave | USA | California | 102m |
| 83 | Midden Point Cave | USA | California | 102m |
| 84 | Cavern Point Cave | USA | California | 101m |
| 85 | Pirate's Den | USA | Hawaii | 101m |
| 86 | Uamh Freisgill | UK | Scotland | 100m |
| 87 | Flamborough Head Cave #4a | UK | England | 100m |
| 88 | Livermore Head Sea Cave #5 | UK | England | 100m |
| 89 | Piper's Cave | UK | England | 100m |
| ? | Seal cave (Тюленовата пещера) | Bulgaria | Black Sea | 46m |
