Ice hockey
New York High School Hockey Coaches Association: Content includes al-state selections and the history of the NYSPHSAA tournament.
U.S. High School Hockey Organization: The USHSHO does weekly national power rankings for boys ice hockey. One of the more interesting tools on the site is a list of scores from around the country for the last 10 days, which is a valuable resource during the playoffs.
Lacrosse
LaxLessions.com: Heavily concentrated on the tri-state area, this site breaks a lot of news about recruiting, coaching changes, etc.
LaxPower.com: With its daily scores lists, computerized rankings by state (and class) and numerous other bits of imformation, this is one of the better single-sport sites in the country.
Soccer
National Soccer Coaches Association of America: The NSCAA does weekly national rankings for boys and girls soccer and selects all-region and All-America teams each fall. Such a high percentage of N.Y. high school coaches belongs to the organization the New York is actually a region all by itself in the organization.
Soccer Long Island Magazine has the lowdown on boys and girls action in Nassau and Suffolk counties.
Swimming
SwimData.info: It's not a complete list, but there are numerous up-to-date reports on the leaders in individual events and relays from across the state.
Volleyball
RochesterVBall.com: Not just limited to high school volleyball -- or volleyball in Rochester, for that matter. There's some useful information on the site, and the forum boards sometimes get quite active.
Wrestling
Armdrag.com: Largely a Section 5 site, but consistently updated with info of use to fans from around the entire state.
LongIslandWrestling.com: An impressive source of historial information for Sections 8 and 11, as well as results from every NYSPHSAA state tournament final since 1963.
NewYorkWrestlingOnline.com: Regularly updated high school and college news related to New York.