In short
- Sunscreen and insect repellent are strictly prohibited.
- All swimmers and snorkelers must wear a life jacket.
- Do not touch any rock formations or tree roots.
In this article
The Sac Actun cave system relies on pure, rock-filtered freshwater to maintain visibility that exceeds 60 meters. To preserve this environment, the park requires visitors to respect specific boundaries and rules.
Are you allowed to wear sunscreen at Cenote Dos Ojos?
No. Sunscreen, sunblock, tanning lotions, and insect repellents are strictly prohibited.
You cannot use any chemical lotions. This includes products labeled as biodegradable. These products damage the delicate freshwater ecosystem. You must shower at the rental area before entering the water. This removes natural oils and sweat.
Do I have to wear a life jacket at Cenote Dos Ojos?
Yes, life jackets are mandatory for all swimmers and snorkelers.
You must wear your life jacket in the designated clear water zones (Zonas Claras). The basic entry fee of 350 to 400 MXN includes this jacket. Pick yours up at the changing area before heading to the water.

Can you touch the stalactites in the cenote?
No, you must not touch, grab, or kick any natural formations.
This rule applies to stalagmites, stalactites, and hanging tree roots. These ancient geological features are highly fragile. Touching them leaves behind oils. These oils stop rock growth and cause permanent damage.
| Rule | Reason |
|---|---|
| No sunscreen or lotions | Protects the fragile water ecosystem |
| Wear a life jacket | Mandatory safety requirement for swimmers |
| Do not touch formations | Prevents damage to ancient limestone |
| Shower before entering | Removes body oils and sweat |
Where are you allowed to swim?
Swimmers must stay in the designated clear water zones.
You cannot swim or freedive into the restricted cave zones. Entry into these darker areas requires a certified guide. You must book a guided tour to explore beyond the open pools.


What are the rules for scuba diving at Dos Ojos?
Open-water divers must stay within cavern limits and use a local guide.
Cavern divers must stay within the natural light zone. Full cave entry requires specific technical certification. All divers must maintain neutral buoyancy and use a frog kick. This stops you from kicking up sediment and ruining the clear visibility.

Are there showers to use before swimming?
Yes, mandatory showers are located at the rental and changing area.
You must rinse off completely before walking down the wooden boardwalks to the cenotes. Leave prohibited items like bug spray behind. Bring only your swimsuit, towel, and water shoes to the water.

Questions travellers ask
Can you swim in Cenote Dos Ojos without booking a tour?
Yes. Basic admission costs roughly 350 to 400 MXN. This ticket grants access to the non-restricted swimming areas. You must wear the provided life jacket at all times.
What is the water temperature in Cenote Dos Ojos?
The water temperature stays at a constant 77°F (25°C) all year round.
How deep is the water at Cenote Dos Ojos?
The maximum depth in the recreational cavern diving area is about 10 meters (33 feet).




