Be prepared.
Check the weather and consider your equipment. On the coast track be sure to consider the tide schedule before starting - there are two crossing that must be made during low tide. Insect repellent. Sandflies small biting insects tend to be very bothersome. Sunscreen. The sun can be very powerful. Spare food and fuel. Always be prepared to stay an extra day or two.
fees/permits
The only fees associated with the Abel Tasman park are those required for sleeping in the park.
Great Walk Hut
If tramping on the Coast Track and planning to stay in huts, you will need to book with the DoC and pay a fee between NZ$10 - NZ$14, per night, depending on the season.Standard Hut
If tramping on the Inland Track and planning to stay in huts, you will need to pay a fee of NZ$5 per night.Backcountry Campsites
Expect to pay about NZ$7 per night.