Tamarack Beach sand vanishes, leaving rocks exposed Extreme ocean swells have stripped the sand from Tamarack Beach in Carlsbad, leaving behind unstable rock barriers and forcing local authorities to cordon off parts of the parking lot. More Carlsbad Carlsbad declares emergency as sewer line collapses near lagoon kusi · Jun 30 Tamarack Avenue in Carlsbad closed due to police activity kusi · Jun 5 Voters OK Measure H, Sharp to revitalize Tri-City Hospital kusi · Jun 3