Jumeirah Beach Hilton is great for spending some days at the beach. They have a private beach club with a big pool area and all rooms have sea-view. As March is the best season for holidays in Dubai it might be difficult to get a room with point stretcher reward.
When I am in Dubai I usually stay in Downtown Dubai and use the complimentary shuttle to the beach. The Creek Hilton also offers a shuttle twice a day and this Hotel is really amazing. As the beach is about 40 km away from the city the restaurants are very expensive at Jumeirah Beach (Hilton).
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LH Sen
Hilton Gold, *wood Gold