About
Mission & Purpose
Board of Directors
Our Supporters
Research Programs
Volunteering
Marine Species
Cetaceans
Fin Whales
Humpback Whales
Minke Whales
North Atlantic Right Whales
Common Dolphins
Bottlenose Dolphins
Pinnipeds
Harbor Seals
Gray Seals
Artic Seals
Sea Turtles
Coastal & Pelagic Birds
Join
Donate
Programs
Latest Trip Reports
Report Your Sightings
Whale Watching
Local
Offshore
Past Sightings
Seal Watches
Seal Walks
Past Seal Walks
Seal Cruises
Volunteering
Speakers Bureau
Shop
Certificate of Adoption
Humpback ID Puzzle Kits
Clothes
Photographs
Reusable Bags
Resources
Documents
Research Abstracts
Educator Material
Links to Other Organizations
Recommended Books
Checklist of Marine Species
Calendar
Contact
Logon
Previous
Next
Upcoming Events
CRESLI Seal Cruise on the RV Peconic
Saturday, December 5, 2026
10:00 AM to 12:00 PM
CRESLI Seal walk at Cupsogue Beach
Sunday, December 6, 2026
10:30 AM to 12:00 PM
CRESLI Seal Cruise on the RV Peconic
Sunday, December 13, 2026
12:00 PM to 2:00 PM
CRESLI Seal walk at Cupsogue Beach
Sunday, December 20, 2026
8:30 AM to 10:30 AM
CRESLI Seal walk at Cupsogue Beach
Sunday, January 3, 2027
9:00 AM to 11:00 AM
CRESLI Seal Cruise on the RV Peconic
Saturday, January 9, 2027
12:00 PM to 2:00 PM
CRESLI Seal Cruise on the RV Peconic
Sunday, January 17, 2027
9:00 AM to 11:00 AM
CRESLI Seal Cruise on the RV Peconic
Saturday, January 30, 2027
9:00 AM to 11:00 AM
CRESLI Seal walk at Cupsogue Beach
Sunday, January 31, 2027
7:30 PM to 9:30 AM
CRESLI Seal Cruise on the RV Peconic
Sunday, February 7, 2027
12:00 PM to 2:00 PM
CRESLI Seal walk at Cupsogue Beach
Sunday, February 14, 2027
6:45 AM to 8:15 AM
CRESLI Seal Cruise on the RV Peconic
Saturday, February 20, 2027
12:00 PM to 2:00 PM
CRESLI Seal walk at Cupsogue Beach
Sunday, February 28, 2027
6:45 AM to 8:15 AM
CRESLI Seal Cruise on the RV Peconic
Saturday, March 6, 2027
10:00 AM to 12:00 PM
CRESLI Seal walk at Cupsogue Beach
Sunday, March 7, 2027
11:30 AM to 12:45 PM
CRESLI Seal Cruise on the RV Peconic
Sunday, March 14, 2027
2:00 PM to 4:00 PM
CRESLI Seal Cruise on the RV Peconic
Saturday, March 20, 2027
12:00 PM to 2:00 PM
CRESLI Seal Cruise on the RV Peconic
Sunday, March 28, 2027
3:00 PM to 5:00 PM
CRESLI Seal Cruise on the RV Peconic
Saturday, April 3, 2027
10:00 AM to 12:00 PM
CRESLI Seal Cruise on the RV Peconic
Sunday, April 11, 2027
2:00 PM to 4:00 PM
CRESLI Seal Cruise on the RV Peconic
Saturday, April 17, 2027
10:00 AM to 12:00 PM
CRESLI Seal Cruise on the RV Peconic
Sunday, April 25, 2027
2:00 PM to 4:00 PM
-->