Manx National Heritage has a useful Family history information sheet. This has links to relevant parts of Manx Government web pages, for churches, civil registration, property deeds, probate, and others.
An wealth of genealogical, historical and descriptive material is available on Frances Coakley's A Manx Notebook. The site includes more than 40 Mb of material, much of it being transcriptions of original records.
J. Narasimham. The Manx Family Tree: a Beginners Guide to records in the Isle of Man By Janet Narasimham is available from the Manx Heritage shops (which have a number of other manx history books), at most Island bookshops, or from the Isle of Man Family History Society.
The community website isleofman.com has a genealogy section with a genealogy message board and volunteers offering lookups.
John Fuller has provided full details of the " Manx" Genealogy Mailing List. This is but a small part of the data available on the "Genealogy Resources on the Internet" pages maintained by John and Chris Gaunt.
Details of upcoming United Kingdom and Ireland Genealogical Events (GENEVA).
Isle of Man GenWeb has links to a variety of genealogy resources.