To get to Casanaga, you need to take the 946 bus from Santa Cruz de Tenerife to Almáciga, then it's just a few minutes walk to Casanaga. If you are coming from the north airport, you need to take the 20 bus to Santa Cruz de Tenerife. If you arrive from the south airport, you need to take the 10 bus to Santa Cruz de Tenerife. The 946 also stops at the ferry terminal if you are coming from another Canarian island.