Sea view from inside a coastal cave

This is a wonderfully creative shot; your use of the cave as a natural frame is very effective.
Keep doing
Using the cave opening to frame the sea and cliffs is a fantastic compositional choice. This 'frame within a frame' technique adds immense depth and a strong sense of discovery to the image.
The contrast between the dark, silhouetted rock in the foreground and the brighter scene beyond is handled well. It makes the viewer feel like they are inside the cave looking out.
Capturing this scene in soft, directional light was a good decision. The light brings out the texture on the distant cliffs and creates a pleasant, moody atmosphere in the sky, avoiding harsh shadows.
Try next
For a future shot like this, consider the balance of elements *within* your natural frame. Here, the central pillar is very dominant. By shifting your own position slightly, you could adjust what is seen through each opening, potentially creating a more balanced or intentional relationship between the two views.
You’ll notice some critiques lean toward strengths to repeat, others toward changes to try. That’s intentional — when a photo is working, the most useful thing is to know what to keep doing; when there’s room to grow, it’s the one change with the biggest impact.