There are probably coastal walks towards Brighton, but a better bet would be to go the other direction from Seaford towards Cuckhaven and on over the Seven Sisters towards Beachy Head.
Catch A Ferry most travellers will use Newhaven as a stopping point en route to France (and beyond); services run to Le Havre and Dieppe
Newhaven Fort A fort in operation since Napoleonic times, it ceased operation after WW2 and has been converted into a fascinating museum. the view over the channel is also well worth a visit. Prices are as follows:
Family Tickets (2 Adults + 2/3 Children) £16.50
Adults £16.50, Senior/ Unwaged/student £13.00,
Child £11.00, Family £45.00
Visitors must note that there is a height bar to the car park; however alternative car parking is available.
Tide Mills Not a great tourist attraction, part of the old course of the Ouse River; before it broke through and 'New - Haven' was created. There are various specialist plants. Possible to walk to the nearby town of Seaford, very pleasant on a sunny day
Paradise Park Originally a garden centre but has had bits added to it, now includes a model railway, dinosaur museum, a mini arcade and Newhaven Museum. it in the north of Newhaven, on 'Avis Road'. Open Sundays
Fish Newhaven has a small fishing port and various places around the town sell fresh, local fish
Tents etc If you need one, or other sporting goods there is a sporting shop, ask locals for directions
Food Newhaven has two supermarkets, which should supply a traveller with any food he or she needs
Ferry Tickets From the 'Transmanche' desk, in the Western Harbour; it is signposted from the main road
The Drove Newhaven, BN9 0AG 01273 612356
Bridge Street 12 Bridge Street
Various other establishments; The Hope serves good food; it is underneath the fort; upstairs has a view over the harbour. For the desperate / insane there is a McDonalds opposite the Focus retail park
Being a port there's a fairly decent selections of drinking establishments, most pubs that serve food also serve alcohol
Bed and Breakfasts Ask at the ferry port or a local.
Travel Inn Generic Hotel, on the road between Newhaven and Seaford.