The 12th annual Photo Competition for UN World Oceans Day has opened for submissions focused on the theme “Wonder: Sustaining What Sustains Us”. Photographers can submit entries in four categories including underwater faces and seascapes. The competition highlights the ocean’s beauty and promotes awareness of its importance. Winners will be announced on June 8th, 2025, during the UN World Oceans Day celebration in Nice, France. All entries are due by April 6th, 2025.