Sea Lake is a regional township in north-western Victoria, approximately 350 kilometres north-west of Melbourne’s CBD and about 55 kilometres north of Wycheproof within the Buloke Shire. Established during the expansion of the railway and Mallee agricultural settlement in the early twentieth century, the township has developed as an important service centre for the surrounding grain-growing district. It is recognised as the gateway to Lake Tyrrell. Sea Lake is located on the traditional lands of the Wotjobaluk, Jaadwa, Jadawadjali, Wergaia and Jupagalk peoples.
According to the 2021 Australian Bureau of Statistics Census, Sea Lake had a population of 639 people with a median age of 54 years. Detached houses comprise the predominant housing type, with a mix of established family homes, retirement residences and rural lifestyle properties. Agriculture, tourism and local services underpin the township's economy, supported by grain production and increasing visitor interest in the surrounding natural attractions.
Road access is provided via the Calder Highway and Robinvale-Sea Lake Road, connecting Sea Lake with Wycheproof, Ouyen, Bendigo and Melbourne. Public transport includes V/Line coach services linking the township with Bendigo and neighbouring regional centres, while the nearest V/Line rail services operate from Bendigo, providing regular connections to Melbourne. Private vehicles remain the principal mode of transport for residents due to the regional location.
Sea Lake provides a comprehensive range of essential services, including a supermarket, medical centre, pharmacy, P–12 school, cafés, accommodation, retail businesses, sporting facilities and community amenities. Additional government services, tertiary education and specialist healthcare are available in Bendigo, which serves as the principal regional centre for north-central Victoria.
The township offers a variety of recreational and nature-based experiences. Residents and visitors have access to local parks, sporting reserves, walking paths and community facilities. At the same time, nearby Lake Tyrrell is renowned for its expansive salt lake, seasonal reflections, birdlife and opportunities for photography and nature appreciation. The surrounding Mallee landscape also provides access to conservation reserves, scenic country drives, seasonal wildflower displays and community events that celebrate the region's agricultural heritage throughout the year.