Kamar yadda yake da babbar murjani na biyu mafi girma a cikin Caribbean, tsibirin kuma an inganta shi azaman makoma don aiwatar da wasanni na ruwa da ayyukan nishaɗin karkashin ruwa. Ruwa a cikin San Andrés ya sami kyawawan saituna don wadataccen arzikin. Akwai wadatattun makarantun PADI da NAUI. Wasannin jirgin ruwa kamar Sunfish, Katesurf da Windsurf ana yin su kuma ana koyar dasu a cikin watannin iska: Disamba, Janairu, Fabrairu da tsakiyar shekara.
Jet ski wata damar wasa ce. Hawan keke da tsere da hawa dawakai sune mafi kyawun madadin don haɗuwa da jin daɗin yanayin yanayi ta hanyoyi, hanyoyi, hanyoyi da hanyoyi.
"Ana kuma yin wasan kwallon raga a bakin rairayin bakin teku daban a San Andrés."
'Yan ƙasar suna yin wasan ƙwallon kwando da ƙwallon ƙafa. Hakanan suna da sha'awar tseren dawakai, waɗanda suke shiryawa akan hanyar zuwa Elsy Bar, a kudancin tsibirin.