Phang Nga Bay (8h)

Your biggest problem today? Choosing between limestone karsts that look like ancient giants or caves hiding emerald lagoons (spoiler alert: Smiley hits both). This Private Speedboat 38ft slices through Phang Nga Bay like a hot knife through Thai butter, reaching secret spots where longtail boats fear to venture.

What we have found in Thai waters is that size matters – but not how you think. At 38 feet, she is nimble enough to duck into hidden caves yet stable enough when twenty friends decide synchronized selfies are a brilliant idea. The hardest choice here is James Bond Island (Koh Tapu) first or saving the famous needle rock for your grand finale.

Worth noting about Thailand: those brief tropical showers everyone fears? Pure magic. Warm rain on sun-heated skin while anchored in turquoise perfection – locals call it nature's spa treatment. In our Thailand experience, November through February delivers postcard weather, but monsoon season offers authentic moments without the crowds.

Buddhist temples perch impossibly on limestone cliffs, floating markets bob nearby, and your captain knows which caves reveal secret lagoons at exactly the right tide. Pack reef-safe sunscreen because these waters sparkle with marine life that deserves protection.

Eight hours vanishes faster than your sunscreen in Thai heat. Exactly how to do Thailand in style.