1. Crab Island, also known as Pulau Ketam, is a unique fishing village located in the Klang District of Selangor, Malaysia. The entire village is built on stilts above the water, giving it a charming and rustic appearance. Visitors to Crab Island can explore the village by walking along wooden walkways, observing the daily activities of the locals such as fishing and crab farming.

2. Crab Island is open to visitors all year round. As for contact information, it is recommended to inquire locally about any specific phone numbers available for more information.

3. There is no entrance fee to visit Crab Island. To get to the island, visitors can take a ferry from Port Klang, which is the main departure point. The ferry ride takes around 30-40 minutes and offers a scenic view of the surrounding area. Once on the island, visitors can explore on foot or rent bicycles to get around.