What plants do well around a saltwater pool?

Answer 1

Jaumea carnosa
Genus: Jaumea Species: carnosa Variety: Cultivar:
Common name: Jaumea

Jaumea is a low perennial, that spreads by rhizomes. It has small yellow daisy flowers and fleshy leaves. Jaumea grows in coastal salt marshes and tolerates brackish water and alkaline soil

Answer 2

Valisneria grasses tolerate salt. Sea Oats would, too.

You might get other ideas here:

http://www.laspilitas.com/plants/1170.htm
http://www.wetwebmedia.com/BrackishSubWebIndex/bracplants.htm

What you select will depend on if you wants plants IN the pool, or merely nearby. Also - if you are in a tropical or temperate area.