Rhode Island Lobster Laws Rhode Island lobster diving info for lobsters caught or landed in state waters. Please note that as of Jan 1 2007, licenses run from Jan 1 thru Dec 31. Please refer to 1) http://www.dem.ri.gov/programs/bnatres/fishwild/mfsizes.htm#lobster Lobsters: Harvesting by licensed residents only, all lobsters must be measured IMMEDIATELY. All lobsters measuring less than the legal minimum size of 3-3/8" carapace length must be returned immediately to the water from which taken. Measuring: The carapace length is measured from the rear of the eye socket along a line parallel to the centerline of the body shell to the rear end of the body shell. 2) "Download RI - DEM - Lobster Size Limits" http://www.dem.ri.gov/pubs/regs/regs/fishwild/rimf15.pdf There are several management areas in R.I., each with its own size restriction: Area 2 - Inshore Southern New England (includes Narragansett Bay) A. Minimum Gauge Size - 3-3/8" B. Maximum Gauge Size - There is currently no maximum gauge size for American lobster in LFMA 2. Area 3 - Offshore (basically, out past Block Island) A. Minimum Gauge Size 3-1/2"*