Literally, dozens of private expeditions are carried out at the loch each year, too many to list here. This list is a summary of the major expeditions since 1933. The expeditions failed to uncover any specific evidence, which supported the evidence for the monster.

1933: Marmaduke Wetherell

1934: Sir Edward Mountain

1958: Cockrell

1960 Peter O'Connor

1960, 1961, 1962: Cambridge and Oxford Universities.

1961: Loch Ness Phenomena Investigation Bureau

1961, 1968, 1969, 1970: Birmingham University

1969: Field Enterprises.

1971, 1972, 1975, 1976. 1996, 1999: Academy of Applied Science

1972: Black and White Scotch Expedition

1973: Japanese Expedition.

1987: Operation Deepscan.

1993: Project Urquhart.