pokeemerald/data/maps/Underwater_MarineCave/map.json

{
  "id": "MAP_UNDERWATER_MARINE_CAVE",
  "name": "Underwater_MarineCave",
  "layout": "LAYOUT_UNDERWATER_MARINE_CAVE",
  "music": "MUS_PETALBURG_WOODS",
  "region_map_section": "MAPSEC_UNDERWATER_MARINE_CAVE",
  "requires_flash": false,
  "weather": "WEATHER_UNDERWATER_BUBBLES",
  "map_type": "MAP_TYPE_UNDERWATER",
  "allow_cycling": true,
  "allow_escaping": false,
  "allow_running": true,
  "show_map_name": true,
  "battle_scene": "MAP_BATTLE_SCENE_NORMAL",
  "connections": null,
  "object_events": [],
  "warp_events": [
    {
      "x": 9,
      "y": 8,
      "elevation": 0,
      "dest_map": "MAP_NONE",
      "dest_warp_id": 127
    }
  ],
  "coord_events": [],
  "bg_events": []
}