When you go to Vietnam, you MUST go to the Cat Ba Islands, and when you got to the Cat Ba Islands you must use Blue Swimmer. The islands and majestic waters of Cat Ba are a must when in Vietnam and you won’t meet another operator as professional and helpful as Blue Swimmer. Whatever your needs Blue Swimmers and Mr. Kevin can help you set up multiple activities or itineraries, fit any dietary needs (gluten free, peanut allergy), and help make your trip extra special! Go, use Blue Swimmer, and set back in soak in the views!