Jules' Undersea Lab

Jules Undersea Lab – Scuba Diving Training in Key Largo, Florida

Located in the heart of the Florida Keys, Jules Undersea Lab is one of the most unique scuba diving environments in the world and a core training location for BW Divers. Situated in Key Largo, Florida, this iconic underwater habitat allows divers to experience real saltwater scuba diving in a controlled, protected setting, making it an ideal location for dive courses and skill development.

Formerly known as Jules’ Undersea Lodge, the facility is now operated as part of MarineLab Undersea Park & Museum and continues to serve as a premier destination for Key Largo scuba diving education.

What Is Jules Undersea Lab?

Jules Undersea Lab is the only underwater habitat on Earth accessible to recreational scuba divers. Located beneath the surface in a protected lagoon, divers enter the habitat by scuba diving through a moon pool, offering a truly immersive underwater experience.

For those interested in scuba diving in Key Largo, Florida, Jules provides an unmatched blend of education, exploration, and hands-on training. The surrounding lagoon serves as a natural underwater classroom where divers can practice skills while remaining in a calm, contained environment.

Why We Train at Jules Undersea Lab

At BW Divers, we intentionally choose Jules Undersea Lab as a primary location for Key Largo diving courses because it offers advantages you won’t find at typical open-water sites.

Saltwater training takes place in a controlled environment where divers experience authentic Key Largo scuba diving conditions—saltwater, marine life, and natural buoyancy—without the challenges of strong currents or unpredictable seas.

The protected lagoon allows instructors to focus on student performance and safety, making it an excellent environment for divers transitioning from pool training to open water scuba diving in Key Largo, Florida.

Training alongside a real underwater habitat enhances buoyancy control, underwater awareness, navigation skills, and overall confidence—key elements of successful scuba diving in Key Largo.

Scuba Courses Offered at Jules Undersea Lab

The lagoon and surrounding dive area are well suited for a wide range of Key Largo scuba diving courses, including:

• Open Water Diver training
• Confined and open water skill sessions
• Advanced Open Water Diver courses
• Specialty scuba courses
• Rescue diver training and skill refreshers
• Discover Scuba

This versatility makes Jules Undersea Lab an exceptional training environment for scuba Key Largo Florida divers of all experience levels.

A Unique Location for Key Largo Diving

Scuba diving at Jules Undersea Lab goes beyond certification. It builds real-world diving confidence in one of the most iconic locations in the Florida Keys. Whether you are just beginning your scuba journey or continuing advanced training, Jules offers an experience that complements the broader Key Largo scuba diving scene while providing stability, safety, and unforgettable underwater conditions.