Grand Cayman is the largest of the three Cayman Islands and the location of the territory's capital, George Town. In relation to the other two Cayman Islands, it is approximately 75 miles (121 km) southwest of Little Cayman and 90 miles (145 km) southwest of Cayman Brac.
Grand Cayman encompasses 76% of the territory's entire land mass. The island is approximately long with its widest point being wide. The elevation ranges from sea level at the beaches to above sea level on the North Side's Mastic Trail.
Grand Cayman Island includes five of the six districts of the Cayman Islands: Bodden Town, East End, George Town, North Side, and West Bay.
- Bodden Town – Founded in the 1700s, Bodden Town district comprises the central part of Grand Cayman Island, between the George Town and North Side districts. The village of Bodden Town was the original capital of the Cayman Islands. Its population is currently listed at 5,764.
- East End – The East End district is located at the east side of Grand Cayman Island and consists mostly of the Village of East End, numerous natural attractions, restaurants, and accommodations. Its population is currently listed at 1,371.
- George Town – The capital of the Cayman Islands and world-famous centre for offshore banking and investments, its population is currently listed at 20,676.
- North Side – Includes Kaibo, Rum Point, and Breakers. Its population is currently listed at 1,079. Sand Point Cove in Rum Point is home to a Bioluminescent Bay or Bio Bay.
- West Bay – Has numerous tourist attractions including the Cayman Turtle Farm and the Cayman Motor Museum. Towns in the West Bay district include Seven Mile Beach, Hell, and West Bay Village. Its population is currently listed at 8,243.
The remaining district is Sister Islands, which consists of the islands of Cayman Brac and Little Cayman. Its population is currently listed at 1,937.
Of the three islands, Grand Cayman contains approximately 95% of the territory's entire population.
Owen Roberts International Airport serves Grand Cayman with domestic and international flights. Cayman Airways has its headquarters on Grand Cayman.
Electrical service for Grand Cayman is provided by Caribbean Utilities Company Ltd., with its corporate headquarters located on North Sound Road. Electricity on Grand Cayman runs on a 120/240 volt electricity system with electrical outlets designed to accommodate a three-pin American plug.
Grand Cayman residents have a choice of telecommunications services from C3, Digicel, FLOW (previously LIME), and Logic.
- Cayman Academy
- Cayman International School
- Cayman Prep and High School
- First Baptist Christian School (ages 3 months – 11 years, grades preschool to 6)
- Grace Christian Academy
- Montessori School of Grand Cayman
- St. Ignatius Catholic School
- Triple C School
- Truth For Youth School
- Wesleyan Christian Academy
- Hope Academy
- St. Matthews University of Medicine/Veterinary Medicine
- International College of the Cayman Islands (ICCI)
- The Cayman Islands Law School
- University College of the Cayman Islands (UCCI)