Many first-time visitors to the Riviera Maya discover the sunscreen rule at the entrance gate of an eco-park, with a queue behind them and a bottle in hand that does not qualify. The parks run by Experiencias Xcaret, which include Xcaret, Xel-Ha, Xplor, Xenses and Xenotes, restrict what you can wear into the water. It is easy to meet the rule if you know it in advance, and this guide sets out what the parks publish, so that you can pack the right product before you fly.
What the parks say
The parks’ official FAQ pages ask guests to use only sunscreen and sunblock containing titanium oxide and zinc oxide. This wording appears for Xcaret, Xplor, Xenses and Xenotes. For Xel-Ha, the parks’ pages say that only biodegradable sunscreen is allowed. Read the FAQ for the specific park on the day you book, because the wording differs slightly between parks and can change.
The Xcaret blog explains the reasoning. The Yucatan Peninsula sits over an underground water system of cenotes and connected underground rivers, which supports wildlife that is vulnerable to chemical contamination. The blog recommends showering before you enter these waters and avoiding chemical products near them.
What counts as biodegradable
According to the Xcaret blog on biodegradable sunscreen, a product qualifies if it contains titanium oxide and zinc oxide. It lists ingredients that make a sunscreen not biodegradable for the parks’ purposes:
- Octocrylene
- Benzophenone
- Butyl methoxydibenzoylmethane
- Hexyldecanol
- Cetyl dimethicone
- Methylparaben
- Polyethylene
- Propylparaben
- Butylcarbamate
Note the wording. The blog says a sunscreen containing titanium oxide and zinc oxide is biodegradable, and it separately lists the ingredients that disqualify a product. Read the ingredient list on the back of your own bottle and compare it with both. A label that says reef-friendly or ocean-safe is a marketing claim, not a pass at the gate, so the ingredient list is the thing to check.
What happens at the entrance
You do not have to buy a special product to get in. The blog says guests can temporarily exchange their own sunscreen at the entrance for a sample of biodegradable sunscreen to use during the visit, and that the original product is returned when they leave. If you would rather bring your own compliant bottle, you can, provided its ingredients meet the rule.
Biodegradable sunscreen is also sold in park pharmacies and shops. The blog gives a price of about 199 Mexican pesos, which it converts to roughly 15.60 US dollars. That is the park’s own figure and prices may have changed, so treat it as a guide.
Packing choices
- Check what you already own. Read the ingredient panel and look for the disqualifying names above.
- Buy before you travel if you can. A compliant product from home avoids paying park prices, and it lets you check the label calmly.
- Apply early. If you need to apply at the resort before an excursion, do it well before the park entrance and follow the park’s guidance on showering before swimming.
- Bring a rash guard or swim shirt. Covering skin reduces how much sunscreen you need in the water. Our beach resort packing checklist covers the rest of the kit.
- Carry the exchange in mind. If you are asked to swap at the gate, keep your own bottle where you can find it on the way out.
Sprays and other products
The blog does not mention aerosol sprays, so we cannot say whether they are treated differently. Check the park’s FAQ for the product form you plan to bring. The same applies to insect repellent and after-sun products, which the sources we read do not cover. If you are unsure, ask the park before you go.
Does the same rule apply at your resort?
Not necessarily. The rules above are the parks’ own. Resort pools and beach areas set their own policies, and we have not verified sunscreen rules for individual resorts. If you plan a reef or cenote outing, ask the operator for its rule too. Our guide to snorkeling and diving in the Riviera Maya explains how reef and cenote trips differ, and the same habit applies to both: check the operator’s rule for sunscreen before you leave your room.
Travelling with children? Sunscreen for young skin is a separate question, and the park pages we read do not address it, so check the FAQ and speak to a pharmacist at home. Our guide to travelling with kids to an all-inclusive resort lists other things to confirm.