There are several accommodation options in the Alstonville area as follows:
LAKE AINSWORTH SPORT & REC CENTRE
The Lake Ainsworth Sport and Recreation Centre has lots of cabin accommodation from 6 & 18 bed cabins up larger dormitory style cabins. Cost is per cabin but equates to $10 per night per bed (if all beds are used). This is a GREAT OPTION for teams wanting to stay together!
The Centre is located in Lennox Head which is around 15 minutes drive from Alstonville.
Phone (02) 6687 7168 or see the Sport and Rec Website for more information.
There is also a lot of accommodation in the Ballina, Lennox Head, Broadwater and Lismore areas which are quite close to Alstonville. Visit the Discover Ballina website here for a great list of options and to book.
You might also want to check accommodation around Lismore. See the Visit NSW website for options.
You can also try the various online booking websites for other options. However below are some caravan parks and camping areas that might not be on these sites:
Ballina Beach Park
North Coast Holiday Park
Stopover Tourist Park
Sunrise Caravan Park
Ballina Beach Village
Flat Rock Campground
Lismore Lake Holiday Park
Glen Villa Tourist Park