Center№ 001
No photograph on fileBarcelona, Spainest. 2010
ICEERS International Center for Ethnobotanical Education, Research, and Service
A Barcelona-based research nonprofit (not a retreat). Listed for reference because it is one of the most-cited public sources on plant-medicine science, policy, and harm reduction.
IndependentResearch-affiliated
Center№ 002
No photograph on fileIquitos, Peruest. 2007
Casa Galactica
An independent retreat center near Iquitos run by curandero Don Howard Lawler, offering ceremony and dieta.
IndependentMaster plant dietLong retreats
Center№ 003
Iquitos, Peruest. 2002
Blue Morpho Tours
A long-established Iquitos-area operator running ceremony and apprenticeship tracks in the mestizo curandero lineage.
IndependentLong retreatsShort retreats
Center№ 004
Iquitos, Peruest. 2009
The Ayahuasca Foundation
An educational retreat near Iquitos focused on plant-medicine training, dieta, and apprenticeship-style programs.
ShipiboMaster plant dietLong retreats
Center№ 005
Hacienda Pinilla, Costa Ricaest. 2016
Rythmia Life Advancement Center
A licensed medical retreat in Costa Rica running ceremony alongside a wellness clinical program.
IndependentIntegration programShort retreats
Center№ 006
Itacaré, Brazilest. 2009
Spirit Vine Ayahuasca Retreat Center
A long-running independent retreat in coastal Bahia, Brazil, with a structured workshop format around ceremony.
IndependentShort retreats
Center№ 007
Boca do Acre, Brazilest. 1983
Céu do Mapiá
The mother church of the Santo Daime line, in the Amazonian state of Acre. A religious community, not a retreat operator.
Santo DaimeReligious community
Center№ 008
Nicoya Peninsula, Costa Ricaest. 2017
Soltara Healing Center
A Pacific-coast retreat in Costa Rica working with visiting Shipibo maestros and a staff of integration counsellors.
ShipiboIntegration programShort retreats
Center№ 009
Iquitos, Peruest. 2009
Nihue Rao Centro Espiritual
A Shipibo-led centro near Iquitos working in the lineage of maestro Ricardo Amaringo, with small ceremonies and long master-plant diets.
ShipiboIndigenous-ledMaster plant dietLong retreats
Center№ 010
Iquitos, Peruest. 2007
Templo del Camino de la Luz
A long-running Shipibo-led healing center on the Río Nanay near Iquitos, working in the Pinedo lineage with a roster of resident maestras and onanyas.
ShipiboWomen-ledMaster plant dietLong retreats