Barracuda Lake, on the north shore of Coron island in the Philippines, offers one of the world's most unique diving experiences, known for its curious fresh and salt water layers and dramatic thermocline and halocline phenomena. # Why Go 🌊 Experience a thermocline and halocline unlike anywhere else. 🗿 Explore impressive limestone formations. ✨ Sense of "weightlessness" in hot/cool depths. 🏖️ Unique "jelly-like" sand at the bottom. 🤿 Unique diving and freediving experience. ✨ Crystal clear waters with excellent visibility. # Why Avoid ⚠️ Access via sharp limestone stairs and ladders. 🐠 Limited marine life compared to coral reefs. 🚫 Regular tourists restricted to roped-off area, must wear life jackets. # Cost 💰 ₱200 entrance fee for conservation. # Hours 🕒 Daily, closes strictly at 5 PM. # Tips 🤿 Best experienced via scuba or freediving for the full thermocline. ⏰ Arrive early or near sunset to avoid crowds. 🚫 Forego a wetsuit due to high temperatures at depth; wear thin suits or swimwear. 🤝 Freediving requires a certified instructor. 🧴 Respect Tagbanwa guidelines: no sunscreen or soap in water.