A single Power Bomb, placed precisely and as early as possible, can get you over the Geemers and onto the ledge above Alcatraz without taking a hit. Alternatively Bombs or SpringBall can be used. Go down to the Save door by just falling and moving back and forth in the right places. Once you start going down you will be off-screen.

Entrance condition:

{
  "comeInWithGMode": {
    "mode": "any",
    "morphed": true
  }
}

Requires:

"canOffScreenMovement"
{
  "or": [
    "h_canArtificialMorphMovement",
    "h_canArtificialMorphBombHorizontally"
  ]
}