MICROGREEN BUSINESS GUIDE · SANIBEL, FL

Start a microgreen business in Sanibel, FL.

Most Sanibel residents do not realize that an island built around tourism and fine dining is almost entirely dependent on produce hauled in from the mainland. In Lee County off the Fort Myers coast, Sanibel is a destination of resorts, waterfront restaurants, and visitors who expect a high-quality plate. Everything delicate on those menus crosses the causeway on a truck before it ever reaches a kitchen. For a local indoor grower, that single bridge between island demand and mainland supply is the entire opportunity.

Quick Answer

You can start a microgreen business in Sanibel with under $400 in initial equipment and grow it into a $1,800 to $4,000 per month side income within 90 days. Here is the local demand picture, the unit economics at Sanibel wholesale prices, and the operating system used by working microgreen farms.

*When every fresh ingredient on Sanibel has to cross the causeway from the Fort Myers side, what would it mean to be the only grower already on the island?*

What Sanibel buys today

Restaurants and chefs across Sanibel's resorts and waterfront serve a discerning, tourism-driven clientele, and a local microgreen supply gives them freshness no mainland distributor can match across the causeway. A grower harvesting radish, pea, and sunflower to order becomes indispensable to island kitchens chasing quality.

Farmers markets and specialty grocers on Sanibel and across nearby Lee County draw visitors and residents who pay premiums for fresh and local. A market table of living microgreens is a standout to that audience and seeds the relationships that turn into standing wholesale accounts.

The indoor angle is decisive on a barrier island. Salt spray, hurricane season, and intense heat all halt outdoor produce, but a climate-controlled rack inside a spare Sanibel room keeps producing clean trays every week of the year regardless of the weather outside.

*With resort and waterfront kitchens serving guests who expect the best, how much would a chef value microgreens that never spent a day on a mainland truck?*

The math, in Sanibel prices

Microgreens wholesale to Sanibel and Fort Myers-area kitchens in the range of $32 to $50 per pound, and a single tray often yields close to a pound of cut greens.

Startup cost

$400

Trays, soil, seed, lights. Used gear cuts this in half.

Per-tray net

$20-$30

After seed, soil, packaging, delivery.

Trays per week

100

Target for $3K-$5K/mo at Sanibel pricing.

Break-even week

Week 4

First positive cash week. Most growers hit it.

What that looks like in Sanibel square footage

A 10 by 10 foot room fitted with shelving on Sanibel can hold enough trays to supply several resort kitchens without anyone crossing the causeway.

*Given the salt air, heat, and storm exposure that make outdoor island growing a gamble, have you considered how an indoor rack turns that into a steady year-round harvest?*

Three things every working microgreen farm in Sanibel runs on

  1. A seed density and watering plan you trust. The number one cause of failed trays for new growers is over- or under-seeding. The cheat sheet inside Grown Like A Pro gives you grams per 10x20, soak hours, blackout days, harvest day, and watering for sixty-one varieties.
  2. A rotation tracker. Once you are running thirty-plus trays per week, you cannot remember what is in blackout, what is in light growth, what harvests Tuesday. A spreadsheet works for the first month. After that you need a system that pings you the day before each harvest and reorders seed before you run out.
  3. A customer + invoice layer. Restaurants in Sanibel want predictable weekly invoices and net-15 terms. Farmers market customers want clamshell tracking. Both want consistency. The app handles both.

The IKEA test

If you can follow an IKEA instruction sheet without screaming at the family, you can grow microgreens at a commercial level in Sanibel. The steps are about that difficulty: open the box, lay out the parts, follow the picture, repeat. Trays are the bookcase. Seed is the dowels.

If you ever did struggle with the IKEA bookshelf, that is exactly why Glappy lives inside the app. Glappy is the in-app coach that breaks every step down barney style, in your own language, from "how do I plant my first tray" to "why is this tray going leggy at day five and what do I do about it tonight." Type the question, get a step-by-step answer. There is no question too basic. The whole point is that a Sanibel grower starting today is not on their own.

What you are not buying

You are not buying a course. You are not buying a hype product. You are not buying seed from us, and you are not buying trays from us. We do not sell either. Grown Like A Pro is the operating system you run your Sanibel farm on. The growing happens in your basement.

Try Grown Like A Pro free for 30 days →

Sanibel microgreen FAQ

How much can I make growing microgreens in Sanibel?
A working microgreen farm in Sanibel produces $3,000 to $8,000 per month within 90 days of starting. The math: 100 trays per week, $20 to $30 net revenue per tray, harvested in a basement, garage, or spare room. The ceiling is set by how many restaurants and farmers market customers you can serve, not by the growing setup.
Is it legal to sell microgreens in FL?
Yes. In most of Florida, microgreens fall under the state's cottage food law for direct-to-consumer retail at farmers markets and to private customers. Restaurant wholesale typically requires a basic food handler permit. Verify with the Florida Department of Agriculture before you sign a wholesale contract.
What microgreens sell best in Sanibel?
Sunflower, pea shoots, and radish are the three highest-volume sellers in nearly every U.S. city, including Sanibel. Broccoli is the highest-margin variety because of its sulforaphane reputation with health-focused buyers. Specialty varieties like amaranth and shiso command premium pricing from chef-driven restaurants.
How much space do I need to grow microgreens in Sanibel?
A 10 by 10 foot room with two shelving units holds 60 to 80 active trays, which is enough to produce $3,000 to $5,000 per month. A basement, garage corner, spare bedroom, or sunroom all work in Sanibel's climate. Vertical shelving is the fastest path to higher revenue per square foot.
What is the best app for tracking microgreen production in Sanibel?
Grown Like A Pro is the operating system used by working microgreen farms in Sanibel. It handles seed density math, watering schedules, harvest timing, inventory, customer orders, and the financial side. Free 30-day trial with no credit card.
How long does it take to learn to grow microgreens commercially?
Most growers in Sanibel are selling their first trays within 30 days of starting. Commercial proficiency, meaning you can run 50-plus trays per week without losing crops to mold or under-seeding, takes 60 to 90 days. The seed density and watering math is the single biggest predictor of how fast you get there.
Do I need a license to sell microgreens in Sanibel?
For farmers market and direct-to-consumer sales in Sanibel, most growers operate under Florida's cottage food law with no special license. For wholesale to restaurants and grocery stores, you typically need a basic food handler permit, a sales tax permit, and depending on volume, an inspection from your county health department.
How do I price microgreens to restaurants in Sanibel?
Restaurant wholesale in Sanibel runs $1.50 to $2.50 per ounce for standard varieties, $3 to $5 per ounce for specialty varieties like shiso, micro basil, or amaranth. Sell by the pound for repeat accounts. Local fresh commands a premium over the shipped-in product that most Sanibel restaurants currently buy.

Related guides

Once you have the Sanibel math in your head, the next read is the density chart that drives every tray you plant.