The Upper Keys fish all year; the cast of characters just rotates. Here is the honest calendar Brian plans his own year around.
Winter (December through February) is backcountry prime time: cool fronts push snook, redfish, and trout into predictable patterns, and Spanish mackerel flood the bay in schools that make light tackle sing. Between fronts, the reef keeps producing snapper and grouper for the dinner table.
Spring (March through May) belongs to the tarpon. The silver kings pour through the channels and along the bridges, and hooking one at sunset is the single most famous experience in Keys fishing. The reef wakes up too, and by late spring the first mahi show offshore.
Summer (June through August) is everything at once: mahi runs offshore, yellowtail stacked on the reef, calm-morning sandbar afternoons, and the lobster mini-season and opener that turn the night trips into treasure hunts. Days start early to beat the heat and the afternoon storms.
Fall (September through November) is the locals' season. The crowds thin out, the water cools, the bait runs south along the coast, and everything from sharks to snapper feeds like it knows winter is coming. If you want options and empty water, this is the sleeper pick.
Book the fish, not the month, and stay flexible on the day. Brian watches the weather and the tide and will steer your date toward whatever the water is actually doing. Regulations and season openings are set by current Florida and federal rules, and he runs the boat by them.
There is no bad one. Pick the experience: tarpon in spring, mahi and lobster in summer, backcountry in winter, everything in fall.
The two-day mini-season falls in late July and the regular season opens in August. Night trips fill fast around both.
Brian makes the weather call and reworks the day or the date with you directly. Nobody buys a bad day on the water.
The Epsteins run charters out of both Key Largo and Islamorada. Brian handles the backcountry and the flats here; his family runs the offshore fleet 20 minutes south. Whichever you call, you get pointed at the right boat.