Florida State University
Department of Oceanography
Argo: Southern Ocean Float Tracking & Deployment
Elephant Seal Data
SMRU
Saint Andrews
SAVEX
Many of the elephant seal mounted CTD data from 2004 to mid-2006 are available through the World Ocean Database (along with earlier pinniped baththermograph data):
http://www.nodc.noaa.gov/OC5/SELECT/dbsearch/dbsearch.html