Today, roadsigns indicate that the river, which now flows through the grounds of Belfast High School, is the exact boundary between the Carrickfergus and Newtownabbey boroughs.

[2] Farmland was distributed in strips from Knockagh Hill, to the shore of Belfast Lough and lanes were constructed to provide access to the farms and their houses, including important residences such as Castle Lugg.

[2] One such lodge existed until 2020 as the "Ravenhill Nursing Home", operated by the Northern Health and Social Care Trust.

[5] During this period, Bassett's directory of 1888 notes that the area was "devoted entirely to handsome residences occupied for the greater part by gentlemen engaged in commercial and professional pursuits in Belfast".

[2] The Belfast-to-Ballymena railway line was opened in 1845, which travelled through the area, providing one of the first transport links to the town from both Belfast and Carrickfergus.

Improvements in transport and a growth in prosperity led to more semi-detached and terraced houses in the area immediately surrounding the railway station.

Village residents formed a Home Guard and Civil Defence Post and air-raid drills became regular free 'entertainment' in the evenings.

[2] In Easter 1941, when a German plane was reported to have flown up the Lough towards Belfast, the anti-aircraft battery on Neill's Lane opened fire.

A small excavation was carried out at the site in 1980, but failed to establish a precise date of layout of the structure; documentary evidence suggest it existed by 1570.

Carrickfergus Citizens' Advice Bureau operates an outreach service which is available at Greenisland Baptist Church on Wednesdays from 12.30 - 1.30pm.

Christians Against Poverty (CAP) have also opened a centre at Greenisland Baptist Church which offers help and advice to anyone struggling with debt issues.

The vast majority of Ulsterbus Belfast and Carrickfergus/Whitehead bus services take a ten-minute detour into the Greenisland estate before continuing to their destination, providing the village with frequent transport links in each direction.

Conor Murphy the then Regional Development Minister stated in June 2010 that subject to "finances being available, delivery is expected to start in 2011-12, and the project should be completed in 2013".