1 - Install the New or Existing Door to Swing Out
Smaller Depth Vanity will give more space. The normal depth is usually 22" in depth. Having vanity Installing New or Existing door to swing outwards, not only give the bathroom a unique appearance, but also give more space inside. Therefore, it is the best alternative as well as it'll save money as well.

2 - Switch to Smaller Depth Vanity
Smaller Depth Vanity will give more space. The normal depth is usually 22" in depth. Having vanity that is less than 19" depth will give more space to walk in and won't feel too crowded.

3 - Custom Shower Space
You can also customize your shower area to make it as bigger as possible. The traditional shower finish is usually 60"x30". You may be able to get a 56"x30" or 48"x30" or even smaller. The main goal is to make the shower as big as possible to give a proper functionality as well as the look.

4 - Replace Storage Space with Custom Fit Shelves
Difficult to find storage space? Yes, in a small bathroom space integrating storage space will be hard. It will make the interior look complex and messy. Hence, you can replace it with custom-fit shelves. Shelves usually take up less space, and you can install them anywhere. You can mount it over the walls or partially fit on it.