K'Gari (formerly known as Fraser Is) offers a large number of things to see and experience  including, Lake McKenzie (pictured), Maheno Wreck, Cathedrals, Eli Creek, Central Station, King Fischer Bay Resort and Eulong. A great destination for 4WD vehicles and miles of beaches and tracks to explore.   

https://www.fraserisland.net/fraser-island/fraser-facts

Hervey Bay boasts a Marine Park right on its door step, why not enjoy the natural sea life it has to offer. Whale and Dolphin watching tours operate for selected periods through the year.

https://parks.des.qld.gov.au/__data/assets/pdf_file/0014/161150/gsmp-vis-guide.pdf

The Hervey Bay Marina offers a wide range of services and is supported through VMR (Volunteer Marine Rescue) to assist amateur and professional mariners safely on their way and back home.

https://greatsandystraitsmarina.com.au/

The Esplanade offers multiple picnic sites offering barbecue facilities and amenities for visitors . With beautiful tree lined areas and views of the bay to relax with. 

Nearby Maryborough offers a wide range of historical sites to visit including the Story Bank the famous birth place of P.L.Travers who wrote "Mary Poppins" each year in August, Maryborough puts on a parade to honour the memory of author P.L.Travers.

https://www.marypoppinsfestival.com.au/