A sunken bath refers to a type of bathtub that is built into the floor or slightly below the ground level. It means that the bath is lower than the rest of the bathroom floor, giving it a unique and luxurious appearance. Full definition
Rooms are featured with air conditioning, private garden, semi open bathroom with sunken bath tub, living or dining area, dressing area, safe deposit box, DVD player, IDD telephone, flat TV screen with satellite channels, mini bar, writing desk, and slippers. (lakotour.com)
Other luxuries at The Gatra include sunken bath tubs, air conditioning, and much more. (lakotour.com)
It already houses an important collection of artefacts from key periods of Maldivian history, from an extensive collection of 15th century Chinese porcelain to the discovery of a pair of 11th century sunken baths on the island. (breakingtravelnews.com)