Cool interactive map pages, thought I'd share...
https://gisweb1.glo.state.tx.us/website/gisweb.cfmBeachwatch Interactive Map Tool:
It doesn't tell you names of boat ramps, but at least where they are.
Texas General Land Office Interactive Land/Lease Mapping System
Shows:
This interactive tool displays Original Texas Land Survey (OTLS) boundaries, state-owned lands, upland and coastal leases, oil/gas wells, and the latest coastal imagery.