Does touching coral really cause that much damage?

Yes. Coral polyps are living animals, and a single touch can remove their protective mucus layer, making them vulnerable to infection and bleaching. Coral grows at only 1–3 centimetres per year — damage that looks minor can take decades to recover.

Is my sunscreen really harmful to coral reefs?

Studies have shown that common chemical UV filters including oxybenzone and octinoxate cause coral bleaching and DNA damage at very low concentrations. Hawaii, Palau, and several other jurisdictions have banned these chemicals. Switching to mineral sunscreen is a simple and effective action.

Responsible Diving Practices - Ocean Conservation Guide for Divers | Diveity

Divers are among the ocean's greatest advocates — and among its most impactful visitors. A single poorly-controlled diver can damage decades of coral growth in seconds. The good news is that responsible diving is simply a matter of good technique combined with conscious choices.

Perfect Buoyancy Is the Foundation

Perfect buoyancy control is the single most important skill for reef protection. A diver who is negatively buoyant will fin-kick corals. One who is positively buoyant will bump the underside of ledges. Hovering neutrally in the water column — without touching anything — is the goal.

If your buoyancy is inconsistent, invest in a Peak Performance Buoyancy course. It is one of the best continuing education courses available and directly reduces your environmental impact.

The No-Touch Policy

Touching marine life and coral causes direct damage:

Human skin oils and sunscreen residue disrupt the protective mucus layer on corals and fish.
Breaking coral fragments — even accidentally — can take years to regrow.
Handling marine animals causes stress, disrupts feeding, and can spread disease.

The rule is simple: look with your eyes, not your hands. If you need to stabilise yourself, use a sandy patch of seafloor — never rock, coral, or another organism.

Reef-Safe Sunscreen

Oxybenzone and octinoxate — common UV filters in conventional sunscreens — are toxic to coral even at concentrations of parts per trillion. When diving on reef systems, use a mineral sunscreen with zinc oxide or titanium dioxide as the active ingredient, or wear a UV-protective rash guard instead.

The Responsible Diver Pledge

The ocean conservation community has developed a simple pledge that summarises responsible diver behaviour. By signing, you commit to:

Practise and maintain excellent buoyancy on every dive.
Never touch, collect, or purchase marine life (alive or dead).
Use reef-safe sunscreen or UV-protective clothing.
Remove at least one piece of marine debris on every dive when safe to do so.
Report coral bleaching events and unusual observations to local marine parks.
Share the principles of responsible diving with other divers.

Perfect Buoyancy Is the Foundation

If your buoyancy is inconsistent, invest in a Peak Performance Buoyancy course. It is one of the best continuing education courses available and directly reduces your environmental impact.

The No-Touch Policy

Touching marine life and coral causes direct damage:

Human skin oils and sunscreen residue disrupt the protective mucus layer on corals and fish.

Breaking coral fragments — even accidentally — can take years to regrow.

Handling marine animals causes stress, disrupts feeding, and can spread disease.

The rule is simple: look with your eyes, not your hands. If you need to stabilise yourself, use a sandy patch of seafloor — never rock, coral, or another organism.

Reef-Safe Sunscreen

The Responsible Diver Pledge

The ocean conservation community has developed a simple pledge that summarises responsible diver behaviour. By signing, you commit to:

Practise and maintain excellent buoyancy on every dive.

Never touch, collect, or purchase marine life (alive or dead).

Use reef-safe sunscreen or UV-protective clothing.

Remove at least one piece of marine debris on every dive when safe to do so.

Report coral bleaching events and unusual observations to local marine parks.

Share the principles of responsible diving with other divers.