| Date | Grid | Clue | Author | Editor |
| Wed, Sep 27, 2023 | 70A | Edible seaweed | Scott Koenig | Shortz |
| Fri, Aug 25, 2023 | 56D | ___ fries (Krusty Krab menu item) | Rafael Musa | Shortz |
| Fri, May 20, 2022 | 55D | Underwater forest | Hal Moore | Shortz |
| Thu, Jun 24, 2021 | 58D | Plantlike growth held up by gas-filled bladders | Danny Lawson | Shortz |
| Wed, Mar 31, 2021 | 75A | Food for a sea urchin | Trenton Charlson | Shortz |
| Sat, May 02, 2020 | 9D | Part of a forest that can grow as fast as two feet a day | Paolo Pasco | Shortz |
| Fri, May 31, 2019 | 39A | Aquatic source of iodine | Sam Ezersky | Shortz |
| Wed, Feb 22, 2017 | 56A | Growth in an underwater "forest" | Kyle Dolan | Shortz |
| Thu, Apr 23, 2015 | 37A | Marine growth rich in iodine | David Steinberg and Bruce Leban | Shortz |
| Tue, Oct 04, 2011 | 41A | Edible seaweed | Dan Feyer | Shortz |
| Mon, Mar 22, 2010 | 51D | Seaweed used as food | Andrea Carla Michaels | Shortz |
| Wed, Mar 17, 2010 | 18D | Seaweed variety | Patrick Merrell | Shortz |
| Mon, Dec 22, 2008 | 26D | Large brown algae | Lynn Lempel | Shortz |
| Tue, May 22, 2007 | 10A | Underwater growth | Roger Wolff | Shortz |
| Thu, Apr 07, 2005 | 47A | Food for sea urchins | Patrick Merrell | Shortz |
| Fri, Jan 14, 2005 | 5D | Sea palm or badderlocks | Manny Nosowsky | Shortz |
| Thu, Feb 05, 2004 | 1D | Sustenance for a sea urchin | Alan Arbesfeld | Shortz |
| Sun, Jul 13, 2003 | 68D | Food for sea urchins | Randolph Ross | Shortz |
| Sat, Oct 28, 2000 | 5D | Sea food? | Elizabeth C. Gorski | Shortz |
| Thu, Sep 26, 1996 | 65A | Health food | M. Gaffney | Shortz |
| Sun, Jun 16, 1996 | 80A | Edible seaweed | N. N. Joline | Shortz |
| Mon, Nov 13, 1995 | 12D | Seaweed | Norma Steinberg | Shortz |
| Mon, May 08, 1995 | 56D | Health food from the sea | Deborah Trombley | Shortz |
| Wed, Apr 13, 1994 | 62A | Iodine source | Jim Page | Shortz |