At The Beach

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Across
  1. 2. Felt or showed grief for
  2. 4. Small, round sea animals with spiny shells
  3. 5. Small pincers for picking up small objects
  4. 7. Hanging beds or couches made of canvas, cord, etc.
Down
  1. 1. Put out of sight; Hidden
  2. 3. Wood carried along by water or washed ashore from the water
  3. 6. Strictly; firmly
  4. 8. Group of related living things, mostly living in water