Both agencies are recognized for their quality instruction and commitment to safety, making them excellent choices for divers of all levels.
SDI (Scuba Diving International) is focused on recreational diving, offering courses for beginners and experienced divers alike, with an emphasis on safety, modern training techniques, and diver-friendly education. From Open Water Diver to specialized courses like Rescue Diver, SDI is perfect for divers at all levels.
TDI (Technical Diving International) is for advanced divers looking to go beyond recreational limits. TDI offers specialized training in deep diving, decompression procedures, and the use of Nitrox, Trimix, and Rebreathers. Known for its high standards, TDI is ideal for those seeking technical challenges in diving.
This table shows the equivalent certifications across SDI, PADI, and SSI, helping divers understand how their certifications translate between agencies.
SDI (Scuba Diving International) and TDI (Technical Diving International) are trusted worldwide for their innovative and high-quality dive training.
SDI focuses on "recreational diving" with courses that prioritize modern training methods, safety, and the use of dive computers, making learning easier and more enjoyable for divers at all levels.
TDI is the go-to agency for "technical diving", offering advanced courses that push boundaries with deep diving, decompression techniques, and specialized gas use like Nitrox and Trimix.
With a commitment to safety, expertise, and personalized instruction, both SDI and TDI are perfect for divers looking to expand their skills, whether recreationally or technically.