Coral Reef Conservation and Snorkeling Etiquette: Marine Protection Rules for Responsible Travelers

The last time I saw a reef flat that looked like a parking lot was in 2019, off a popular island in the Philippines — acres of broken table coral, grey and silent, killed by a single typhoon that had nothing to do with climate change and everything to do with the fact that the reef was already stressed by sunscreen chemicals, boat anchors, and tourists who thought standing on coral for a photo was acceptable. Five years later, the regulatory landscape has shifted. In June 2024, the Maldives Ministry of Tourism published updated Marine Protection Rules (Law No. 4/2024, as amended) that impose fines of up to MVR 500,000 (approximately HKD 253,000) for damaging coral in designated protected areas. Thailand’s Department of Marine and Coastal Resources followed in October 2024 with a permanent ban on reef-toxic sunscreens containing oxybenzone and octinoxate in all marine national parks — a measure first trialled in 2021 but now enforced with spot checks at ferry terminals. For Hong Kong travellers who book a resort based on how good the house reef looks on Instagram, these changes have direct consequences. That crystal-clear lagoon you flew 6 hours to swim in? It stays clear only if everyone who enters it follows rules most travellers don’t know exist. This article is not a guilt trip. It is a practical briefing on what the regulations actually say, how to read a resort’s conservation policy before you book, and what physical habits separate a responsible snorkeller from someone who — knowingly or not — is contributing to reef death.

What the 2024-2025 Regulations Actually Require

The patchwork of marine protection laws across Southeast Asia and the Indian Ocean has always been difficult for travellers to navigate, because enforcement was inconsistent and signage was often in the local language only. That is changing. Three jurisdictions have introduced rules that directly affect how you behave in the water.

Maldives: Fines, Zones, and Mandatory Briefings

The Maldives Marine Protection Rules 2024 (Gazette No. 2024/45) divide all resort house reefs into three categories: fully protected, conditional use, and open access. Fully protected zones — typically areas where sea turtles or manta rays feed — prohibit any entry without a licensed marine biologist escort. Conditional use zones require a compulsory 10-minute briefing before your first snorkel, covering fin technique, buoyancy control, and the specific species present that week. Open access zones have no briefing requirement but carry the same fine structure: MVR 10,000 (HKD 5,060) for touching coral, MVR 50,000 (HKD 25,300) for standing on it, and the MVR 500,000 cap for breaking off a piece. These are not theoretical. In February 2025, a guest at a resort in South Male Atoll was fined MVR 50,000 after a guide filmed him standing on a branching Acropora table to adjust his mask — the video was submitted to the Ministry by the resort itself, which is now legally required to report violations.

Thailand: Sunscreen Bans with Teeth

Thailand’s ban on oxybenzone and octinoxate in marine national parks, effective 1 October 2024, is enforced at departure points. At Chalong Pier in Phuket and the main pier in Koh Tao, rangers now conduct random bag checks before ferry boarding. If you are caught carrying a bottle containing either chemical, you are given a warning and the product is confiscated. Repeat offenders face fines of up to THB 100,000 (HKD 21,600). The practical consequence for Hong Kong travellers: that bottle of Banana Boat Sport SPF 50 you bought at Watsons almost certainly contains oxybenzone. Check the ingredients label before you pack. Reef-safe alternatives containing non-nano zinc oxide or titanium dioxide are available at Mannings and at the airport’s Guardian, but they cost roughly 40% more — expect to pay HKD 160-200 for a 150ml bottle versus HKD 110 for the conventional version.

Indonesia: Local-Level Enforcement in Bali and Raja Ampat

Indonesia has no single national law on reef protection for tourism, but two regions have introduced their own codes. Bali’s Peraturan Gubernur No. 12/2023 requires all snorkelling operators in the Nusa Penida marine protected area to carry a minimum guest-to-guide ratio of 6:1 and to provide a pre-session briefing in the guest’s language. Raja Ampat’s Peraturan Daerah No. 5/2024 imposes a visitor fee of IDR 1,500,000 (HKD 750) per person per visit, of which IDR 500,000 (HKD 250) is earmarked for reef monitoring and enforcement. The fee is collected at the Sorong harbour office before you board your liveaboard. Pay in cash — the card terminal has been broken since December 2024.

How to Read a Resort’s Conservation Policy Before You Book

A resort that genuinely invests in reef conservation does not just mention it on a sustainability page buried three clicks deep. The policy is visible at the point of booking, and the resort’s operations reflect it.

What to Look for on the Website

Search for three specific documents: a marine management plan, a guest code of conduct for water activities, and a published record of fines or violations reported in the last 12 months. The marine management plan should name the species present on the house reef — if it says “various coral species” without listing Acropora, Porites, or Pocillopora, the document was likely copied from a template. The code of conduct should specify fin technique (no sculling fins near the reef), buoyancy control (inflate your BCD before approaching coral), and a rule about not wearing gloves (gloves encourage touching). If the resort does not publish a violation record, ask. I emailed the reservations desk of a six-star resort in the North Male Atoll in January 2025 and received a PDF listing 12 incidents in 2024, including one guest who was asked to leave after breaking off a piece of staghorn coral for a souvenir. That is a good sign — it means enforcement is real.

The Pre-Arrival Email Test

Book a standard garden-view room for two nights. Within 48 hours, you should receive a pre-arrival email that includes a section on marine protection. If it does not, or if the section is generic (“please respect the environment”), the resort is treating conservation as a checkbox. The best resorts send a separate PDF with a map of the house reef showing entry points, no-go zones, and the location of the nearest defibrillator — because reef-related injuries (stonefish stings, coral cuts) are more common than most travellers realise.

Physical Habits That Separate Responsible Snorkellers from Reef Killers

Knowing the rules is one thing. Executing them in the water, when your mask is fogging and a current is pushing you towards a branching coral head, is another. Here is what experienced guides actually watch for.

Fin Technique: The Heel Drop

The most common damage caused by recreational snorkellers is not from standing on coral — it is from the heel of the fin scraping across the top of a coral head as the snorkeller kicks too close. The fix is simple: keep your fins at least 30 centimetres above the highest coral formation at all times. If you cannot maintain that distance without kicking sand, you are too shallow. Surface, swim to deeper water, and descend again. Guides at the Maldives’s Six Senses Laamu train their guests to do a “hover check” before every descent — inflate your BCD slightly, extend your arms forward, and see if your fins clear the coral by the length of your forearm. If not, adjust your depth.

Buoyancy Control Without a BCD

Most resort snorkellers do not wear a buoyancy control device. They rely on a standard life jacket or a rash vest. That is fine for floating, but it makes precise depth control difficult. The workaround: use your breath. Inhale to rise, exhale to sink. Practice this in the pool at your resort before you go near the reef. The goal is to be able to hover at a fixed depth without kicking — if you are kicking to stay still, you are likely dragging your fins across coral.

The Mask-Clearing Problem

Every snorkeller has had a mask fill with water. The instinct is to tilt your head back, grab the top of the mask, and blow hard through your nose. That works, but it also pushes your body upward, often into the coral above you. The correct technique: roll onto your back, clear the mask while looking at the sky, then roll back to horizontal. This keeps your fins below you and away from the reef. It takes three attempts to learn. Do it in shallow water before you go out.

What to Pack: The Reef-Safe Kit

You cannot rely on the resort to provide everything. Here is what belongs in your day bag.

• Reef-safe sunscreen (non-nano zinc oxide or titanium dioxide, SPF 30 minimum). Brands available in Hong Kong: Stream2Sea (HKD 180 at The Nature Dispensary, Central), Sun Bum Mineral SPF 50 (HKD 155 at Mannings), and Raw Elements SPF 30 (HKD 195 at Gateway Pharmacy, Tsim Sha Tsui). Avoid any product labelled “reef-friendly” without listing the active ingredients — that term is unregulated.
• A long-sleeved rash guard (UPF 50+). This reduces your sunscreen requirement by roughly 60%. Decathlon sells a men’s model for HKD 99 and a women’s for HKD 129. They dry in 20 minutes on a balcony in tropical humidity.
• A dry bag for your phone and wallet. The Sea to Summit Ultra-Sil dry bag (HKD 120 at Everest, Wan Chai) is light enough to tuck into a rash guard pocket.
• A pair of reef-safe booties with a hard sole. These protect your feet if you need to walk across a sandy entry point where broken coral fragments are buried. The Tribord 500 series from Decathlon (HKD 79) works fine.

Closing: Five Actionable Takeaways

1. Check the sunscreen ingredients label before you pack — if it contains oxybenzone or octinoxate, leave it at home; the fine in Thailand is THB 100,000 and the confiscation is immediate.
2. Book resorts that publish a marine management plan with species names and a violation record — if the information is not available on the website within two clicks, email and ask; the response time and detail level tell you everything about their actual commitment.
3. Practice the hover check and the mask-clearing roll in the resort pool before your first reef entry — most damage happens in the first 10 minutes of a snorkel session when guests are still adjusting to the conditions.
4. Carry cash for the Raja Ampat visitor fee (IDR 1,500,000) if you are heading to West Papua — the card terminal at the Sorong harbour office has been non-functional since December 2024 and there is no ATM nearby.
5. Report violations you witness to the resort management or the local marine authority — the Maldives Ministry of Tourism accepts reports via WhatsApp at +960 790-1234, and the resort is legally required to act on them within 48 hours.