A large hurricane shelter was constructed in 1963. [1]
The first plumbing system on the island happened in 1972 by the locals.[2]
The first telephone line to Caye Caulker was laid on the seabed in 1973.[2]
The Ministry of Infrastructure, Housing and Development constructed a groyne and sand dunes to protect the Palapa Garden Area from storms in 2023.[3]
November 8, 1942 a hurricane hit Caye Caulker and split the island in two. The inhabitants had enough warning to cross over to the mainland to safety.[4]
The Catholic School had 66 students in 1927 and 71 in 1928.[5][6]
In 1925 the Catholics called the island Cayo Icaco.[7]
In 1949 the police force consisted of 1 officer.[8]
The Government of Belize signed a contract with Coleman Construction Limited on January 13, 2025 for the construction of a $1.5 million police substation for Caye Caulker.[9]
From at least 1917[10] to 1928[6] Caye Caulker had a catholic mission under the Cathedral of the Most Holy Redeemer, from Settlement 12.
Caye Caulker was electrified by the Public Works Department in 1967 on behalf of the Village Council Board.[11] By 1993 the island's diesel power plant had three units with a combined capacity of 0.3 MW.[12] In 2008 Belize Electricity Limited (BEL) described the Caye Caulker plant as the only fully operational diesel plant remaining in the country. In 2009 fuel began to be brought to the island by a barge designed to carry petroleum products.[13][14]
A plan to connect the island to the national grid by submarine cable from Ambergris Caye was first revealed in March 2019.[15] In 2021 BEL installed 1.2 miles of high-voltage line in north Caye Caulker.[16] The cable was acquired in July 2023. It was laid between September 29 and October 1, 2025 from the west side of Ambergris Caye to BEL's Caye Caulker substation, coming ashore in the area of the Split. Full connection was then expected by the end of 2025, and the island's generators were to be moved to northern Caye Caulker as backup.[15] BEL described the link as a 34.5 kV cable 14.5 km long.[17] BEL's annual report for 2025 still described Caye Caulker as isolated and supplied independently.[18]
The Caye Caulker SDA Church is under the Central Belize Mission Conference (Settlement 12) in the Belize Union Mission (Settlement 12) of the Inter-American Division (Miami, Florida) of the Seventh Day Adventist Church. Between 2020-2025 they had 18 members.[19]