Lake Atitlán is one of those places that almost looks too perfect to be real. Surrounded by volcanoes and mountains in Guatemala’s highlands, the enormous blue lake is dotted with Maya communities, colorful towns and lanchas constantly carrying passengers across the water.

But Lake Atitlán isn’t just something to photograph from a hotel balcony. The lake itself is a huge part of the experience.

Exploring Lake Atitlán by Water

Panajachel is the main transportation hub for many visitors and one of the easiest places to get onto the lake. From its docks, public lanchas crisscross the water throughout the day, connecting communities that have developed their own distinct personalities.

San Pedro La Laguna is one of the livelier backpacker destinations, while neighboring San Juan La Laguna is known for Maya art, weaving, murals and cooperatives. San Marcos La Laguna has become famous for yoga, wellness retreats and its dramatic lakeside setting.

Santa Cruz La Laguna and tiny Jaibalito offer a quieter experience, while Santiago Atitlán is one of the lake’s largest and most culturally important Maya communities. On the eastern side, Santa Catarina Palopó and San Antonio Palopó are known for their colorful buildings, traditional textiles and spectacular views across the lake.

You could spend days simply taking lanchas from town to town.

You Can Do Much More Than Ride a Boat

Lake Atitlán is also a giant outdoor playground.

Swimming is common along parts of the shoreline, while kayaking and stand-up paddleboarding are popular ways to explore the quieter water close to shore. Visitors can rent kayaks and SUPs, take private boat tours, go fishing or simply use the public lanchas to create their own tour around the lake.

Morning is generally the better time to get onto the water. Conditions can become rougher later in the day when the famous local Xocomil winds develop across the lake.

And then there’s San Marcos.

Cerro Tzankujil Nature Reserve has become famous for a jumping platform roughly 40 feet above Lake Atitlán. Instead of simply admiring the lake, adventurous visitors can launch themselves from the platform and plunge straight into it.

It makes swimming from the shoreline in Panajachel seem pretty tame.

But How Clean Is Lake Atitlán?

This is where the story becomes more complicated.

Lake Atitlán has struggled for years with pollution caused by untreated or inadequately treated wastewater, agricultural runoff, nutrients, trash and development throughout its watershed.

Because the lake sits inside a volcanic basin, protecting its water is particularly important. What enters the watershed can ultimately make its way toward the lake.

Excess nutrients such as phosphorus and nitrogen can encourage the growth of cyanobacteria. Lake Atitlán experienced major cyanobacterial blooms in 2009 and again in 2015, drawing international attention to the lake’s environmental problems.

The pollution sources aren’t merely historical. Recent environmental work has continued to identify direct wastewater discharges and illegal dumping sites around the watershed.

That doesn’t mean every part of Lake Atitlán is equally polluted or that nobody swims here. Locals and visitors regularly enter the water. But water quality can vary depending on location, weather, runoff and proximity to populated areas or wastewater discharges.

Personally, that means I can enjoy swimming here while still respecting the reality that this isn’t a giant chlorinated swimming pool.

And swallowing the water? I’ll pass.

The Fight to Clean Up Lake Atitlán

There is also an important part of the story that sometimes gets lost when people simply label Atitlán a “polluted lake.”

Guatemala and communities around the lake are actively working to protect it.

AMSCLAE — the government authority responsible for the sustainable management of the Lake Atitlán basin — works with municipalities and communities on wastewater treatment, water-quality monitoring, solid-waste management, sanitation and environmental restoration.

Wastewater treatment is particularly important because preventing sewage from reaching the lake addresses pollution before it gets into the water.

Municipal treatment systems have been built and improved around the watershed, while authorities continue identifying illegal discharges and helping communities improve sanitation infrastructure.

Panajachel has also been working on wastewater infrastructure intended to reduce discharges near the lake and its busy waterfront.

Other efforts include reforestation, watershed protection, environmental education, solid-waste collection and programs designed to reduce the amount of trash and nutrients eventually reaching Atitlán.

It’s a massive challenge because Lake Atitlán isn’t an isolated national park. Thousands of people live, work, farm and operate businesses throughout the watershed. Tourism itself creates additional pressure.

Protecting the lake therefore means finding ways for communities, agriculture and tourism to coexist with one of Guatemala’s most important natural resources.

Paradise? Yes. Perfect? No.

That may be what makes Lake Atitlán so interesting.

It isn’t an untouched lake hidden from civilization. It is a living part of Guatemala surrounded by towns, farms, hotels, restaurants and generations of Maya communities that depend on it.

You can wake up in Panajachel, take a lancha across the lake, explore the art of San Juan, have lunch in San Pedro, paddle a kayak in Santa Cruz and watch someone jump 40 feet into the water in San Marcos.

And throughout the entire trip, three volcanoes provide one of the most dramatic backdrops in Central America.

Lake Atitlán has environmental problems that shouldn’t be ignored. But neither should the enormous effort being made to preserve it.

So would I still get in?

Yes — carefully, in an appropriate location, while paying attention to current conditions.

Would I swallow the water?

Definitely not.

And would I jump 40 feet into it?

That’s a completely different question.