The present invention regards a subsea sand handling system for limiting abrasion of specific subsea equipment (5), comprising an inlet (10) connectable to a sand separation system (2) upstream of the specific equipment (5) and an outlet (18, 22) connectable to a pipeline (6) downstream of the specific equipment (5), wherein it comprises at least two collection vessels (11,14) and means for flushing (16,17,19,21) the sand out of at least one of the collection vessels (11,14), and the vessels (11,14) and the means for flushing (16,17,19,21) the sand out of said vessels (11,14) are configured such that sand is flushed from one vessel (11,14) while sand is collected in the other vessel (14,11). The present invention also regards a method for limiting abrasion of subsea rotating equipment.