Before visiting Halong Bay, it's important to keep a few tips in mind. The bay is a popular tourist destination, so it’s recommended to book tours and accommodations in advance. Most tours offer trips to sites like Sung Sot Cave, Ti Top Island, and the fishing villages, so it’s wise to plan your activities accordingly. The weather can be unpredictable, especially in the winter, so packing layers is essential. Additionally, bring sunscreen, hats, and plenty of water for outdoor activities. Respect the local environment and follow guidelines for preserving the bay’s natural beauty.

To reach Halong Bay, most visitors travel by road from Hanoi. The journey takes around 3.5 to 4 hours, and buses or private transfers are the most convenient options. Many hotels and travel agencies in Hanoi offer direct transportation to Halong Bay. For a more adventurous experience, you can take a bus to Bai Chay and then board a boat for a scenic cruise around the bay. If you're traveling from Hanoi, you can also opt for a day tour or overnight cruise that includes transportation and guide services, making your trip more hassle-free.

The best time to visit Halong Bay is from October to April when the weather is cooler and dry. This period offers clear skies and calm seas, ideal for cruising and sightseeing. The summer months (May to September) can be hot and humid, with occasional rainstorms, making outdoor activities less comfortable. Additionally, the peak tourist season is during the holidays and festivals, so it's advisable to plan your visit outside these busy times to avoid large crowds. Keep in mind that the bay’s weather can change quickly, so always check forecasts before heading out.

If you're staying in Halong Bay and want to make the most of your time, several exciting day trips are available. Many tours include a visit to popular spots like Sung Sot Cave, a two-chamber limestone cave, and Ti Top Island, where you can hike to a panoramic viewpoint. You can also enjoy activities like kayaking through emerald waters, visiting floating fishing villages, or taking a cruise to explore the bay’s numerous islands. If you're interested in a quieter experience, consider a private boat trip to explore less-visited islands and hidden beaches. Each day trip provides a different way to experience the stunning natural beauty of Halong Bay.