Avaiki Cave in Niue is a stunning natural attraction featuring crystal-clear freshwater pools within a limestone cave system, offering a unique swimming and snorkeling experience. Accessibility can be challenging due to uneven terrain and steps, so it may not be suitable for those with mobility issues. While solo visits are possible, a guided tour is recommended for safety and to learn about the cave's history and geology. There may be seasonal restrictions during the wet season (November to April) due to potential flooding or dangerous conditions. The cost to visit is generally low, with possible small entry or tour fees. A typical visit lasts around 1-2 hours, allowing ample time to explore the cave and swim in the pools. Remember to bring appropriate footwear, swimwear, and a towel.