We can recommend the trips with MV Bavaria. The boat infrastructure is really good for diving. The crew is fantastic and the food was always delicious (vegetarian or specific food options available)
Visited dive sites: Similan Islands on a 3 Days / 3 Nights Liveaboard Trip in Thailand.
Marine life spotted during the trip by Tanja:
Giant Moray Eel, Barracuda, Clown Anemonefish, Titan Triggerfish, Oriental Sweetlips, Clown Triggerfish, Green Turtle, Horned Boxfish, Cheesecake Nudibranch, Black Phyllidiella.