Scolopacidae
- Wilson's Snipe Gallinago delicata
- Short-billed Dowitcher Limnodromus griseus
- Long-billed Dowitcher Limnodromus scolopaceus
- Hudsonian Godwit Limosa haemastica Rare/Accidental
- Bar-tailed Godwit Limosa lapponica Rare/Accidental
- Marbled Godwit Limosa fedoa
- Eskimo Curlew Numenius borealis Rare/Accidental Critically endangered (possibly extinct)
- Whimbrel Numenius phaeopus
- Long-billed Curlew Numenius americanus Near-threatened
- Upland Sandpiper Bartramia longicauda
- Greater Yellowlegs Tringa melanoleuca
- Lesser Yellowlegs Tringa flavipes
- Solitary Sandpiper Tringa solitaria
- Spotted Sandpiper Actitis macularia
- Willet Tringa semipalmata
- Wandering Tattler Heterosceles incanus
- Ruddy Turnstone Arenaria interpres
- Surfbird Aphriza virgata
- Red Knot Calidris canutus
- Sanderling Calidris alba
- Semipalmated Sandpiper Calidris pusilla
- Western Sandpiper Calidris mauri
- Least Sandpiper Calidris minutilla
- White-rumped Sandpiper Calidris fuscicollis
- Baird's Sandpiper Calidris bairdii
- Pectoral Sandpiper Calidris melanotos
- Curlew Sandpiper Calidris ferruginea Rare/Accidental
- Dunlin Calidris alpina Rare/Accidental
- Stilt Sandpiper Calidris himantopus
- Buff-breasted Sandpiper Tryngites subruficollis Near-threatened
- Ruff Philomachus pugnax Rare/Accidental
- Wilson's Phalarope Phalaropus tricolor
- Red-necked Phalarope Phalaropus lobatus
- Red Phalarope Phalaropus fulicarius Rare/Accidental
Read more about this topic: List Of Birds Of Costa Rica