We took the last room was Presidential Suite for 1.9 million Rupiah with breakfast. The room was ok but there was a toxic smell of drainage that reeked of ammonia all night. We tried closing the drains and covering those on the floor but to no help. The night was terrible and felt very unhealthy and suffocating even with the balcony door open. Left the hotel early and tired from the poorly slept night, mentioning the problem to the front desk. Suggest that Indonesian authorities would take a role in ensuring the sanitary conditions of the hotels.