Martha's Vineyard Online: Info-business portal, good yellow page-like listings
Martha's-Vineyard: same as above, not as expansive but useful
MV Chamber of Commerce: info on travelling to the island
MV Times
MV Gazette
Cape Cod Times
WMVY commercial, eclectic
WCAI National Public Radio
Wunderground
Martha's Vineyard Coastal Observatory NOAA Katama Station
Steamship Authority from Woods Hole, New Bedford
Island Queen from Falmouth
MV Tech Inc. will fix your PC or install your network
Woods Hole Oceanographic Institute neat ocean info for young and old