Grand Island's housing stock spans several decades and styles, with both established and newer subdivisions. Neighborhoods such as Grand Island Estates and Grand Island Reserve offer midsize single-family homes, while Wedgewood dates largely from the late 1980s and early 1990s and Grand Island Ridge features midsize homes built in the mid-2000s to early 2010s. The community includes lakefront properties along Lake Eustis as well as interior homes on larger lots. The overall mix gives buyers a range of options, from older, more established homes to relatively recent construction, all within a short drive of Eustis.

Grand Island is composed of several distinct residential communities. Grand Island Estates and Grand Island Reserve are among the recognized neighborhoods, offering midsize single-family homes in conventional subdivision layouts. Wedgewood is one of the area's more established communities, with many homes dating to the late 1980s and early 1990s. Grand Island Ridge is a newer option, with midsize homes built in the mid-2000s to early 2010s. Because the community is unincorporated and spread across the Lake Eustis shoreline, homes range from lakefront properties to wooded interior lots, connected by the local roads leading into Eustis.

Life in Grand Island centers on the water. The community sits along Lake Eustis and the Harris Chain of Lakes, giving residents easy access to boating, fishing, and lakefront living in a quiet, low-density setting. Day-to-day needs are met a few miles away in Eustis, while nearby Mount Dora offers boutique shopping, dining, and a historic downtown known for its festivals. The area's mild Central Florida climate supports year-round outdoor activity. Grand Island appeals to lake lovers, boaters, and those seeking a relaxed residential community within reach of the Orlando metro area's amenities.

Grand Island is served by Lake County Schools, the public school district for Lake County, Florida. The district operates 49 schools, including 20 elementary schools, 9 middle schools, and 8 high schools, serving students across the county from its Tavares headquarters. There are no schools within Grand Island's own ZIP code, so students attend nearby district schools in the Eustis area and beyond. Families moving to Grand Island have access to the full Lake County public system plus private and charter options in the surrounding communities.

Grand Island sits just 3.5 miles northwest of Eustis, with local roads providing a short connection to the city and to U.S. Highway 441, the principal north-south corridor through Lake County. Lake County's LakeXpress transit system serves the region, with routes connecting communities such as Leesburg, Eustis, Mount Dora, and Tavares. For longer trips, the community's location within the Orlando-Kissimmee-Sanford metro area places Interstate 4, the Florida Turnpike, and Orlando-area airports within reach. Most residents rely on personal vehicles, with commuting and errands centered on nearby Eustis and Mount Dora.

Recreation in Grand Island revolves around the Harris Chain of Lakes. Lake Eustis, which forms the community's southern edge, connects to Lake Harris via the Dead River and to the wider chain and the St. Johns River system, offering extensive opportunities for boating, fishing, and watersports. Nearby Eustis provides lakefront parks such as Ferran Park with its waterfront promenade and bandshell, while Mount Dora offers additional lakefront dining and walking areas. The surrounding Lake County countryside and its many lakes and preserves give residents year-round access to outdoor recreation in a mild Central Florida climate.