The Ocean Photographer of the Year finalists capture both the splendour and the sorrows of our blue planet. From Arctic ice to deep-sea wonders, these images tell urgent stories about marine life.

As climate change and industrial threats loom, artists like these may be humanity’s best hope in understanding – and acting on – oceanic crises.

The contest splits its focus into Adventure, Human Connection, Ocean Unseen, Conservation, Hope, and Impact. Each category reveals a different facet of our relationship with the sea: how we use it, abuse it, and perhaps still can save it.

Founder Will Harrison says these images bring attention to stories we need to hear. Indeed, as the oceans change, so too must our stewardship of them.

The winners will be announced in September; meanwhile, explore all finalists online and follow the contest on Instagram for updates.