1. There are no banks, ATMs or public phones on both islands. The bigger resorts have money changers but the rates offered are extremely poor. A few upscale resorts and dive centers accept Mastercard and Visa.
2. Only in December do boats cease traveling between Kuala Besut Jetty and the Perhentian islands because of the monsoon rains, which can make sea conditions pretty rough. Boats operate in November and January, but the frequency is rather low.
3. Room rates vary according to high/low season.