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Scuba Diving in Bonito: Anhumas Abyss, Lagoa Misteriosa and Who Can Dive
Diving with a tank inside a cave or in a sinkhole of blue water: how scuba diving works in Bonito, Brazil, and who can do it.
Updated September 24, 2026 · Guia de Bonito editorial team
Diving in Bonito, Brazil, means freshwater scuba diving in two very different settings: a lake inside a cave, at the Anhumas Abyss, and an open-air sinkhole of blue water, at Lagoa Misteriosa, in Jardim. It is not river diving: the river snorkeling tours use a snorkel and stay on the surface. The list below shows the diving tours registered in this guide.
Where you dive
Anhumas Abyss. 23 km from the town center. Access to the lake is through a crack in the rock and a 72-meter rappel, with a mandatory test the day before. In the lake, certified divers scuba dive among submerged limestone cones; everyone else snorkels. It is the most expensive and most sought-after tour in Bonito, with few places per day.
Lagoa Misteriosa. In Jardim, about 50 km away. A sinkhole of blue water with rock walls, and no rappel. The dive can be a try dive, for people who have never dived, or a certified dive, which goes deeper. The lagoon’s total depth is considerable and the section you visit depends on your level. There is also snorkeling for anyone who does not want to use a tank.
Try dive or certified dive
| Try dive | Certified | |
|---|---|---|
| Requirement | No certification; briefing and medical form | Present your certification card |
| Supervision | Instructor at your side the whole time | Dive master or instructor in the group |
| Depth | Limited, as set by the operator | According to your certification level |
| Where | Lagoa Misteriosa | Anhumas Abyss and Lagoa Misteriosa |
| Best for | Trying a tank in calm, transparent water | Divers who want a different freshwater setting |
At the Anhumas Abyss, scuba diving is for certified divers only; anyone without certification does the tour with snorkeling in the lake, which is worth it in itself.
Who can dive
Diving requires a medical form, and the operator may turn away anyone with a heart, respiratory or ear condition. Pregnant women cannot dive. The minimum age is stated by the agencies and differs between try dives and certified dives; for minors, confirm before booking. If you are flying the next day, respect the interval between diving and flying, which affects the plans of anyone leaving early from Campo Grande.
How to book
Like every tour in town, diving is booked through an agency with a single voucher. The Anhumas Abyss must be booked weeks ahead at any time of year, and your itinerary needs two days in town: one for the rappel test and one for the tour. Lagoa Misteriosa has more places and pairs with the Rio da Prata and Buraco das Araras on the same day, since all three are in Jardim. The 5-day itinerary shows how to fit this in.
If you do not dive and want clear water, head for river snorkeling; if you want the rappel without the tank, there are other options in adventure tours.
Adventure
Anhumas Abyss (Abismo Anhumas)
A 72-meter rappel into a cave with a lake at the bottom, then snorkeling or scuba diving among limestone cones. Bonito's most expensive and most restricted tour.
- 23 km from town
- 4h
from R$997 *
River snorkeling · Jardim
Lagoa Misteriosa Sinkhole Snorkeling and Diving
A flooded sinkhole with blue water and a measured depth of over 220 meters, for snorkeling or scuba diving. Open April to October, in Jardim, next to Rio da Prata.
- 45 km from town
- 2h
- Minimum age: 6+
from R$270 *
Related tours
Adventure
Anhumas Abyss (Abismo Anhumas)
A 72-meter rappel into a cave with a lake at the bottom, then snorkeling or scuba diving among limestone cones. Bonito's most expensive and most restricted tour.
- 23 km from town
- 4h
from R$997 *
River snorkeling · Jardim
Lagoa Misteriosa Sinkhole Snorkeling and Diving
A flooded sinkhole with blue water and a measured depth of over 220 meters, for snorkeling or scuba diving. Open April to October, in Jardim, next to Rio da Prata.
- 45 km from town
- 2h
- Minimum age: 6+
from R$270 *
Frequently asked questions
Do I need to be a certified diver to dive in Bonito?
Not for a try dive (known locally as a batismo, or 'baptism'), which is an introductory dive at limited depth with an instructor alongside. For a full dive, with more depth and autonomy, you must show your certification. Both formats exist at the Anhumas Abyss and at Lagoa Misteriosa.
What is the minimum age for diving in Bonito?
It is stated by the agencies and operators at booking and depends on the format. Try dives usually accept teenagers; certified dives follow the age of the certification you present. Confirm before booking for minors.
What is the Anhumas Abyss rappel test?
A mandatory training session held the day before the tour at the operator's base in the center of Bonito. You learn to use the equipment and descend a practice platform. Without the test you cannot do the tour the next day, which means being in town for at least two days.
Is diving in Bonito safe?
It is a technical activity, with equipment provided, an instructor or dive master in the group and a depth limit according to your certification. Operators require a medical form and may turn away anyone with a restriction. As with any dive, you should not fly in the hours that follow.
How much does diving in Bonito cost?
It is the most expensive category in town. The Anhumas Abyss, which combines rappelling and diving, is the most expensive tour in Bonito. Reference prices quoted by agencies in September 2026, in Brazilian reais (BRL), are on each tour's card. The price is the same at every agency.