Prepare for your diving trip to Bali: Everything you need to know!
Not sure where to start your packing list? How much sunscreen to bring? We got your covered!
Brittney Ihrig
8/14/20258 min read


Your Ultimate Guide to Preparing for a Bali Diving Trip: Everything You Need to Know
Bali. The name itself conjures images of lush green rice paddies, ancient temples, and a culture steeped in spiritual grace. But for a diver, Bali holds another, equally enchanting world beneath its turquoise waters. The "Island of the Gods" is also a diver's paradise, a mosaic of diverse underwater landscapes that cater to every level of experience. From the gentle, sun-drenched reefs of the north to the exhilarating currents of the south and the world-class wrecks of the east, Bali’s marine realm is as captivating as its land-based one.
However, a diving trip to Bali is more than just booking a flight and a dive center. To truly make the most of this incredible destination, a little preparation goes a long way. This 3000-word guide is your comprehensive roadmap, designed to walk you through every step of planning and preparing for your unforgettable Bali diving adventure. We’ll cover everything from the crucial logistics of travel and packing to the finer details of local culture and marine life, ensuring you’re ready to dive into the heart of the Indonesian archipelago.
Chapter 1: The Basics – When to Go, Where to Stay, and Your Certification
Before you can even begin dreaming of manta rays and mola mola, you need to lay the groundwork. Timing, location, and your diving credentials are the first things to consider.
1.1 The Best Time to Dive in Bali: A Seasonal Guide
Bali experiences two distinct seasons: the dry season and the wet season. Each offers a different diving experience.
Dry Season (April to October): This is widely considered the best time to visit and dive in Bali. The weather is sunny, the seas are generally calmer, and visibility is at its peak. The months of July and August are particularly popular, but they are also peak tourist season, so expect higher prices and more crowded dive sites. This is also the prime time to spot the elusive mola mola (oceanic sunfish) around Nusa Penida.
Wet Season (November to March): While the name might sound daunting, diving during the wet season is still excellent. The rain typically comes in short, heavy bursts, often in the afternoon, and doesn't usually disrupt morning dives. A major advantage of diving in the wet season is the warmer water temperatures and the opportunity to see more macro life, which thrives in the plankton-rich waters. The fewer crowds also mean more relaxed diving experiences and better deals on accommodation and flights.
1.2 Choosing Your Diving Hub: Location, Location, Location
Bali’s dive sites are spread across the island, so choosing where to base yourself is crucial. A "diving safari" (a multi-day trip that moves between locations) is a popular option, but if you prefer to stay in one spot, here are the main diving hubs:
Tulamben (East Bali): The undisputed king of wreck diving. This area is famous for the USAT Liberty Wreck, a World War II cargo ship that is now a thriving artificial reef. Tulamben is also known for the Coral Garden and The Drop-Off. The black volcanic sand beaches and tranquil waters make it a great spot for shore diving. It’s ideal for those who want to focus on wreck diving and macro photography.
Amed (East Bali): Just a short drive from Tulamben, Amed offers a more laid-back, rural vibe. It's known for its stunning coral reefs, easy shore diving, and the Japanese Wreck. Amed is perfect for those who want a mix of macro, reef, and wreck diving in a peaceful setting.
Nusa Penida & Lembongan (South-East Bali): The gateway to some of Bali's most famous marine encounters. These islands are the place to be for exhilarating drift dives, swimming with manta rays at Manta Point, and searching for the mola mola at Crystal Bay. The currents can be strong, so these sites are generally better suited for more experienced divers.
Pemuteran & Menjangan Island (North-West Bali): Located within the West Bali National Park, this region is known for its calm, crystal-clear waters and pristine coral walls. Menjangan Island, a short boat trip from Pemuteran, offers some of the healthiest reefs in Bali. It’s perfect for beginners, photographers, and those seeking a peaceful, uncrowded dive experience.
Padang Bai (East Bali): A bustling port town with a variety of dive sites just a short boat trip away. Padang Bai is a great starting point for day trips and offers a mix of sites like the Blue Lagoon and The Jetty, which are famous for their macro life and easy diving.
1.3 Your Diving Credentials: PADI, SSI, and the Logbook
Before you book, make sure your diving certification is current and your logbook is up to date. While most dive operators will have an online system to verify your certification, a physical card and a detailed logbook are always a good idea. For those seeking to advance their skills, Bali is a fantastic place to get certified. The calm, shallow waters of the north are perfect for Open Water certifications, while the currents of Nusa Penida are ideal for the Advanced Open Water course.
Chapter 2: The Practicalities – Flights, Visas, and Packing
With your diving plan in place, it’s time to focus on the essential logistics of getting to Bali and what to bring.
2.1 Flights, Visas, and Entry Requirements
Flights: Ngurah Rai International Airport (DPS) in Denpasar is Bali’s main airport. Book your flights well in advance, especially if you're traveling during the peak season.
Visa: Indonesia offers a "Visa on Arrival" (VoA) for citizens of many countries, which allows you to stay for up to 30 days. You can also apply for an e-VoA online before you travel to save time at the airport.
Passports: Ensure your passport is valid for at least six months from your date of entry and has at least two blank pages for stamps.
2.2 The Essential Dive Bag: A Packing List
You’ve got your diving gear, but what else do you need to pack for a Bali diving trip?
Dive Gear: While most dive centers offer excellent rental gear, bringing your own mask, fins, and snorkel is always a good idea for comfort and familiarity. If you have your own regulator and BCD, bring them.
Exposure Suit: The water temperature in Bali is generally warm (27-30°C / 80-86°F). A 3mm full wetsuit is perfect for most divers, while a rash guard and shorts are often enough for warmer-blooded individuals.
Dive Computer: An essential safety tool. Don’t forget it!
Sun Protection: Bali’s sun is intense. Pack a reef-safe sunscreen (check for non-nano zinc oxide and titanium dioxide), a hat, and sunglasses.
First-Aid Kit: A small kit with seasickness medication, antiseptic wipes, bandages, and any personal medication is a must-have.
Electronics: A waterproof camera (GoPro, Olympus Tough, or an advanced underwater housing) is a must for capturing Bali’s underwater beauty. Don’t forget spare batteries and memory cards!
Clothing: Lightweight, breathable clothing is best. A mix of shorts, t-shirts, and a light jacket for evenings is perfect. Remember to pack a sarong to respect local customs when visiting temples.
Chapter 3: The Diving Experience – From Operators to Underwater Etiquette
Now for the fun part: the diving itself. To ensure a safe and enjoyable trip, it’s important to understand how to choose the right dive operator and how to behave in the water.
3.1 Choosing a Dive Operator: Your Bali Diving Partner
Choosing a reputable dive operator is the single most important decision you’ll make. A good operator prioritizes safety, environmental protection, and a positive customer experience. Here’s what to look for:
Safety Standards: Look for a PADI or SSI 5-star Dive Center with a strong reputation for safety. Check their gear maintenance, boat safety equipment (first-aid kit, oxygen), and the qualifications of their divemasters and instructors.
Small Groups: The best dive experiences happen in small, intimate groups. Look for operators who limit their group sizes to 4 divers per guide.
Environmental Responsibility: A good dive operator will be committed to protecting the marine environment. Ask about their "no-touch" policy, use of reef-safe sunscreen, and involvement in local conservation efforts.
Online Reviews: Check platforms like TripAdvisor, Google Reviews, and dive forums for recent feedback. Look for consistent praise for safety, professionalism, and the quality of the dive guides.
3.2 Understanding Bali’s Marine Life and Eco-Etiquette
Bali's waters are home to a staggering variety of marine life. A little knowledge about what you might see can greatly enhance your experience.
Mega-fauna: Bali is famous for its manta rays, oceanic sunfish (mola mola), and occasional sightings of reef sharks.
Macro Life: Muck diving sites like Secret Bay and Puri Jati are a photographer's dream, with a high concentration of frogfish, seahorses, octopus, and countless species of nudibranchs.
Reef Fish: The coral reefs are a kaleidoscope of color, teeming with schools of snapper, fusiliers, parrotfish, and butterflyfish.
Eco-Etiquette: Diving Responsibly
Never Touch: The golden rule of diving. Never touch, harass, or feed marine life. Touching coral can kill it, and disturbing animals can cause them stress.
Stay Buoyant: Maintain good buoyancy to avoid kicking up sand or accidentally hitting the reef.
Respect Manta Rays and Mola Mola: If you encounter these magnificent creatures, do not chase, touch, or block their path. Give them space and enjoy the show from a respectful distance.
Chapter 4: Beyond the Dive – Culture, Food, and Decompression
Your Bali trip isn't just about what's under the water. The culture, food, and people are what make Bali truly magical.
4.1 Balinese Culture and Customs
Respect the Temples: Bali is deeply spiritual. When visiting temples, dress modestly. Both men and women should wear a sarong and a sash, which can be rented at the temple entrance.
Greetings: A friendly "Om Swastiastu" (a Balinese greeting) is always appreciated. A simple smile and a nod are also a great way to show respect.
The Left Hand: In many parts of Asia, the left hand is considered unclean. It's polite to use your right hand when giving or receiving something.
4.2 Savoring Bali’s Flavors
Bali's cuisine is a delicious blend of fresh seafood, aromatic spices, and unique flavors.
Warungs: These are local, family-run restaurants that serve authentic Indonesian food at a great price. Don’t miss classics like Nasi Goreng (fried rice) and Mie Goreng (fried noodles).
Fresh Seafood: Especially in coastal towns like Jimbaran and Padang Bai, you'll find incredible seafood BBQs where you can choose your fresh catch and have it grilled to perfection.
Babi Guling: A Balinese specialty, this is a whole roasted pig, and it's a must-try for meat-eaters.
4.3 Decompression and Post-Dive Activities
After a day of diving, you’ll need to allow for proper decompression time before flying. The general rule is to wait at least 18-24 hours after your last dive before getting on a plane. Use this time to explore the island!
Explore Rice Paddies: The Tegalalang Rice Terraces near Ubud are a stunning example of Bali's agricultural beauty.
Cultural Experiences: Visit a traditional Balinese dance performance, take a cooking class, or explore the bustling markets of Ubud.
Relax and Recharge: Indulge in a Balinese massage, practice yoga at a retreat, or simply relax on one of Bali's beautiful beaches.
Chapter 5: Putting It All Together – A Sample Itinerary
To help you visualize your trip, here’s a sample 7-day diving itinerary that combines different regions of Bali.
Day 1: Arrival & Travel: Arrive at DPS and travel to your first dive hub, such as Tulamben. Settle in and prepare your gear for the next day.
Day 2: Wreck Diving in Tulamben: Wake up for an early morning dive on the USAT Liberty Wreck. Spend the afternoon exploring The Drop-Off.
Day 3: Macro in Amed: Travel to Amed. Do a few shore dives on the Amed Wall and the Japanese Wreck, focusing on macro photography.
Day 4: Travel to the South-East: Travel to a new base on Nusa Lembongan or Nusa Penida.
Day 5: Manta Rays and Drift Dives: Take a boat to Manta Point for an unforgettable encounter with manta rays. In the afternoon, experience an exhilarating drift dive at a site like Gamat Bay or Toyapakeh.
Day 6: Mola Mola Search: Head out to Crystal Bay for a chance to see the famous oceanic sunfish. In the afternoon, do a final dive at a different site or explore the island.
Day 7: Decompression & Departure: Enjoy a leisurely morning. The 18-24 hour wait time is crucial. Take a cultural tour or go souvenir shopping before heading back to the airport.
Bali Awaits! Get Packing!
Bali is more than just a destination; it's an experience that captivates your senses both above and below the surface. By taking the time to plan, prepare, and understand the nuances of this incredible island, you'll be able to create a diving trip that is not only thrilling but also respectful and enriching. The vibrant reefs, the friendly people, and the serene culture will leave an indelible mark on your memory. So, pack your bags, prepare your mind, and get ready to dive into the heart of Bali’s underwater magic. The adventure of a lifetime is waiting.
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