Sand Star was a 489 GRT dredger that was built in 1943 as the coaster Empire Dyke Clelands (Successors) Ltd, Wallsend, Northumberland, United Kingdom for the Ministry of War Transport (MoWT).

Her port of registry was Newcastle upon Tyne and she was placed under the management of G Gibson & Co Ltd.[3] Little is known of her wartime service, although she was a member of Convoy FN 808, which departed from Southend, Essex on 8 September 1942 and arrived at Methil, Fife two days later.

[1] She was placed under the management of the Netherland Shipping & Trading Committee Ltd.[6] In June and July 1944, Prinses Margriet was employed around the south coast of the United Kingdom, sailing in various ETC and FTC convoys.

[7] In 1954, Prinses Margriet was sold to South Coast Shipping Co Ltd and renamed Sand Star.

[1] On 4 March 1966, Sand Star collided with the 2,100 GRT coaster Caroline M in Southampton Water and sank.