North Korean leader Kim Jong Un’s largest luxury watercraft was seen on Monday being towed towards his sprawling Wonsan mansion complex on the east coast, according to NK Pro analysis of Planet Labs satellite imagery.

The custom 80-meter-long (260 ft.) luxury yacht — which features dual twisting waterslides and a multi-story lounge area — hasn’t been seen in use since Kim apparently had it completely renovated over the course of several months in 2020 in the middle of the worldwide COVID-19 pandemic.

The boat is one of four similarly huge luxurious watercraft observed in recent years near