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Scuba Diving In Koh Bida Nok And Nai Islands

Indulge in the magic of diving in Koh Bida Nok and Bida Nai Islands in Krabi! These dive sites boast stunning coral reefs, diverse marine life, and crystal-clear waters. Perfect for divers of all levels, they offer an unforgettable underwater adventure in one of Thailand’s most scenic diving spots.

Diving into the Depths: The Allure of Bida Nai Bida Nok

Located just off the coast of Krabi, Koh Bida Nai and Bida Nok are part of the Phi Phi Islands and are among the most stunning dive sites in the Andaman Sea. These two limestone peaks feature vibrant coral formations, diverse marine life, and calm waters, making them ideal for divers of all levels. In this guide, you'll learn about the best time to visit, the marine creatures you can expect to see, and useful diving tips. Explore colorful coral reefs, swim alongside reef fish, or even spot sharks, Koh Bida Nai and Bida Nok offer an unforgettable diving experience.

Diving Season in Bida Nai Bida Nok

Timing Your Dive: The Best Seasons to ExploreBida Nai Bida Nok

The ideal diving season for Koh Bida Nai and Bida Nok runs from November to April, aligning with the Andaman Sea’s dry season. During this period, divers can enjoy calm seas, warm water temperatures between 27°C and 30°C (81°F to 86°F), and visibility exceeding 20 meters. These conditions create the perfect opportunity to witness the diverse marine life that thrives around the reefs. For the best experience, plan your dive trip within this season when Bida Nai and Bida Nok are at their most spectacular.

Bida Nai Bida Nok Diverse Marine Life

Leopard shark

Guitar shark

Blacktip reef shark

Eagle ray

Anemone fish

Box fish

Nudibranch

Octopus

Shrimp

Sea anemone

Soft Coral

Hard Coral

Turtle

Barracuda

Butterflyfish

Lionfish

Napoleon fish

Parrot fish

Bida Nai Bida Nok Marine Life Sighting Calendar

HHigh chance

MMedium chance

LLow chance

-No sighting

The Marine Marvels of Bida Nai Bida Nok: Animals and Seasons

The Marine Life In Koh Bida Nok And Bida Nai

The underwater world of Koh Bida Nai and Bida Nok is teeming with marine life, giving divers a chance to witness an exciting variety of species. The reefs are home to colorful fish such as parrotfish, lionfish, and clownfish, creating a picturesque scene alongside the bright coral formations.

Other than the reef fish, divers might also encounter larger species like reef sharks, turtles, and even the occasional manta rays. Leopard sharks are a highlight of these dive sites, often spotted resting on the sandy seabed during the daytime. The area is also rich in macro life, with nudibranchs, seahorses, and other small marine creatures hidden among the corals, waiting to be discovered.

Bida Nai Bida Nok Diving Conditions

Recommended scuba diving level
Open water with experience

Water temperature

27°C - 30°C

Underwater visibility

10M - 20M

Underwater current

Gentle to Moderate

Depth

5M - 30M

Weather

Temperature: 28°C - 35°C Monsoon season: Jun - Sep

Underwater hazard

Strong Current

Koh Bida Nai and Bida Nok offer excellent diving conditions suitable for a wide range of divers.

Water Temperature: The waters remain warm year-round, ranging from 27°C to 30°C (81°F to 86°F), ensuring a comfortable diving experience.

Underwater Visibility: Visibility is generally over 20 meters (65 feet), though strong currents can stir up sediment, temporarily reducing clarity.

Currents: Currents vary from mild to moderate, making the sites ideal for divers with some experience and those who enjoy gentle drift dives.

Depth: Depths range from 15 to 25 meters, making these sites accessible to both beginners and advanced divers.

Weather: The best time to dive is November to April, when the dry season brings calm seas and ideal weather conditions with minimal rain and mild currents.

Hazards: While relatively safe, divers should always be mindful of natural conditions and stay within their skill level.

Bida Nai and Bida Nok are true gems of the Andaman Sea and are an unforgettable chance to explore thriving coral reefs and diverse marine life, including leopard sharks.

Explore Which Experience Is Best For You

Discover the perfect scuba diving adventure with Giant Stride! We offer a range of options to suit different budgets and diving preferences. Browse our selection of dive center vendors to find the experience that best fits your needs.

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