Nestled approximately 3.5 to 4 hours' drive north of Sydney, Seal Rocks in Myall Lakes National Park is a hidden gem known for its pristine beaches and tranquil lakeside camping spots. Campers can enjoy activities such as surfing, fishing, and kayaking in the clear waters, or explore rainforest trails where kangaroos and koalas roam freely.

About 5 to 6 hours' drive north of Sydney, Hat Head National Park offers secluded beachside camping amidst dramatic coastal landscapes. Visitors can snorkel in tidal pools, hike through rainforest trails teeming with birdlife, and relax on untouched beaches ideal for swimming and sunbathing.

Just over 1.5 hours' drive north of Sydney, Bouddi National Park provides an easy escape into coastal wilderness. Campers can set up at Little Beach campground and enjoy cliff-top walks with panoramic ocean views, snorkeling in protected bays, and discovering Aboriginal cultural sites amidst diverse flora and fauna.

Situated approximately 6 to 7 hours' drive north of Sydney, Yuraygir National Park boasts Australia's longest stretch of undeveloped coastline. Camping options range from beachfront sites to riverside retreats, offering opportunities for fishing, whale watching, and exploring scenic coastal trails rich in biodiversity.

Within a 2-hour drive south of Sydney, Cathedral Rocks near Kiama is famous for its stunning rock formations and grassy campgrounds overlooking the Pacific Ocean. Visitors can enjoy coastal walks to see blowholes and sea cliffs, surfing at nearby beaches, and picnicking with breathtaking sunset views.

Around 4.5 to 5 hours' drive north of Sydney, Crowdy Bay National Park features Diamond Head campground offering beachside camping amid striking coastal scenery. Activities include beachcombing along pristine shores, fishing for bream and tailor, and spotting migrating whales during the winter months.

Approximately 6.5 to 7.5 hours' drive south of Sydney, Ben Boyd National Park offers a unique coastal camping experience at Bittangabee campground. Campers can explore historic sites such as Boyd's Tower, hike through lush forests to secluded beaches, and swim in sheltered coves surrounded by rugged cliffs.

About 6 to 7 hours' drive south of Sydney, Mimosa Rocks National Park offers remote beach camping amidst untouched coastal beauty. Activities include snorkeling in clear waters teeming with marine life, bushwalking through ancient forests, and relaxing on pristine beaches with panoramic ocean views.

Located approximately 3 to 3.5 hours' drive north of Sydney, Barrington Tops National Park provides a cool mountain retreat with camping amidst lush rainforests and cascading waterfalls. Visitors can hike to scenic lookouts, swim in natural rock pools, and encounter unique wildlife such as platypus and lyrebirds.

Within a 1.5 to 2 hours' drive southwest of Sydney, Wollondilly River Station offers private riverside camping in the picturesque Southern Highlands region. Activities include bushwalking along river trails, swimming in natural pools, and stargazing under clear night skies, making it an ideal spot for a peaceful getaway.