- To visit the ancient citadel, travelers must monitor the tide schedule, as the relic is clearly visible only during deep low tides (typically around the 1st and 15th of the lunar month). - There may be entrance fees or charges for local services such as boat rentals. - Be cautious of submerged rocks to avoid injury. - This area is currently self-managed for tourism; visitors should proactively seek information and ensure personal safety. - Always maintain marine environmental hygiene, do not litter, and do not damage coral or marine life. ⚠️ Information on locallife.asia is for reference only, aggregated from public sources to promote Vietnamese tourism. The platform does NOT profit directly from destinations and is NOT responsible for accuracy, policy/price changes, accidents or incidents. Travelers are solely responsible for their travel decisions, personal safety, legal compliance, and environmental stewardship.

- Tour services typically do not have a separate refund policy and depend on the local service provider. - It is advisable to contact the provider directly if plans change. - In case of bad weather (storms, rough seas), trips may be postponed or canceled for safety reasons. - Some boat rental/diving services may require a non-refundable deposit.

- Children of all ages are welcome to visit, but must be accompanied and closely supervised by an adult. - Special attention to children's safety is required when traveling by sea or exploring the citadel during low tide. - Life jackets are highly recommended for children participating in water activities. - Some coral diving activities may not be suitable for very young children.